{"componentChunkName":"component---packages-blog-core-src-templates-post-js","path":"/graph-fundamentals-in-java/","result":{"data":{"post":{"__typename":"MdxArticleProxy","id":"2c5a14a8-48e7-5b97-aa82-1a6d9a7f87b6","title":"Graph Fundamentals in Java","slug":"/graph-fundamentals-in-java/","link":null,"excerpt":"What is a Graph? Graph is one of the data structures in computer programming.\nBelow is a sample…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 14, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"body":"function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }\n\nfunction _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }\n\nfunction _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }\n\n/* @jsxRuntime classic */\n\n/* @jsx mdx */\nvar _frontmatter = {\n  \"title\": \"Graph Fundamentals in Java\",\n  \"category\": \"Programming\",\n  \"author\": \"Arvind Pandey\",\n  \"date\": \"2020-05-14T00:00:00.000Z\",\n  \"tags\": [\"#ds\", \"#programming\", \"#java\"],\n  \"thumbnail\": \"cover.jpg\"\n};\nvar layoutProps = {\n  _frontmatter: _frontmatter\n};\nvar MDXLayout = \"wrapper\";\nreturn function MDXContent(_ref) {\n  var components = _ref.components,\n      props = _objectWithoutProperties(_ref, [\"components\"]);\n\n  return mdx(MDXLayout, _extends({}, layoutProps, props, {\n    components: components,\n    mdxType: \"MDXLayout\"\n  }), mdx(\"h4\", {\n    \"id\": \"what-is-a-graph\"\n  }, \"What is a Graph?\"), mdx(\"p\", null, \"Graph is one of the data structures in computer programming.\\nBelow is a sample airport route between cities. Bi-directional arrow indicates that flights fly both way.\"), mdx(\"p\", null, mdx(\"figure\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"gatsby-resp-image-figure\",\n    \"style\": {}\n  }), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-wrapper\",\n    \"style\": {\n      \"position\": \"relative\",\n      \"display\": \"block\",\n      \"marginLeft\": \"auto\",\n      \"marginRight\": \"auto\",\n      \"maxWidth\": \"731px\"\n    }\n  }), \"\\n      \", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-background-image\",\n    \"style\": {\n      \"paddingBottom\": \"71.2280701754386%\",\n      \"position\": \"relative\",\n      \"bottom\": \"0\",\n      \"left\": \"0\",\n      \"backgroundImage\": \"url('data:image/png;base64,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')\",\n      \"backgroundSize\": \"cover\",\n      \"display\": \"block\"\n    }\n  })), \"\\n  \", mdx(\"img\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-image\",\n    \"alt\": \"\\\"Air Port Route\\\"\",\n    \"title\": \"\\\"Air Port Route\\\"\",\n    \"src\": \"/static/fffeb01e1041bd5cbc8e1e4c864dc7e4/d2d03/graph1.png\",\n    \"srcSet\": [\"/static/fffeb01e1041bd5cbc8e1e4c864dc7e4/02569/graph1.png 285w\", \"/static/fffeb01e1041bd5cbc8e1e4c864dc7e4/d4f70/graph1.png 570w\", \"/static/fffeb01e1041bd5cbc8e1e4c864dc7e4/d2d03/graph1.png 731w\"],\n    \"sizes\": \"(max-width: 731px) 100vw, 731px\",\n    \"style\": {\n      \"width\": \"100%\",\n      \"height\": \"100%\",\n      \"margin\": \"0\",\n      \"verticalAlign\": \"middle\",\n      \"position\": \"absolute\",\n      \"top\": \"0\",\n      \"left\": \"0\"\n    },\n    \"loading\": \"lazy\"\n  })), \"\\n    \"), \"\\n    \", mdx(\"figcaption\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-figcaption\"\n  }), \"\\\"Air Port Route\\\"\"), \"\\n  \"), mdx(\"em\", {\n    parentName: \"p\"\n  }, \"Figure 1.1\")), mdx(\"p\", null, \"Say, we need a data structure to represent such scenario. Then graph data structure is the one that comes to the rescue. Or one another example of graph data structure is social networks, i.e facebook.\"), mdx(\"h4\", {\n    \"id\": \"graph-terminologies\"\n  }, \"Graph Terminologies\"), mdx(\"p\", null, mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"Vertex(V):\"), \" Each end-point is called vertex. Like cities are vertices here.\"), mdx(\"p\", null, mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"Edge(E):\"), \" The line that connects two vertices is called edge.\"), mdx(\"p\", null, mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"Graph(G):\"), \" The complete arrangement is called Graph.\"), mdx(\"h4\", {\n    \"id\": \"how-to-represent-the-graph\"\n  }, \"How to represent the Graph?\"), mdx(\"p\", null, \"There are different ways to represent graph. Two are most popular one.\"), mdx(\"ol\", null, mdx(\"li\", {\n    parentName: \"ol\"\n  }, mdx(\"strong\", {\n    parentName: \"li\"\n  }, \"Adjacency List\")), mdx(\"li\", {\n    parentName: \"ol\"\n  }, mdx(\"strong\", {\n    parentName: \"li\"\n  }, \"Adjacency Matrix\"))), mdx(\"h4\", {\n    \"id\": \"adjacency-list-representation-of-the-graph\"\n  }, \"Adjacency List representation of the Graph\"), mdx(\"p\", null, \"In this representaion, you store the adjacent vertext as list.\"), mdx(\"p\", null, mdx(\"figure\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"gatsby-resp-image-figure\",\n    \"style\": {}\n  }), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-wrapper\",\n    \"style\": {\n      \"position\": \"relative\",\n      \"display\": \"block\",\n      \"marginLeft\": \"auto\",\n      \"marginRight\": \"auto\",\n      \"maxWidth\": \"681px\"\n    }\n  }), \"\\n      \", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-background-image\",\n    \"style\": {\n      \"paddingBottom\": \"35.438596491228076%\",\n      \"position\": \"relative\",\n      \"bottom\": \"0\",\n      \"left\": \"0\",\n      \"backgroundImage\": \"url('data:image/png;base64,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')\",\n      \"backgroundSize\": \"cover\",\n      \"display\": \"block\"\n    }\n  })), \"\\n  \", mdx(\"img\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-image\",\n    \"alt\": \"\\\"Adjacency List Representation\\\"\",\n    \"title\": \"\\\"Adjacency List Representation\\\"\",\n    \"src\": \"/static/53f923f3e88f5e6647b9f7d14503eb10/b7079/adjacency1.png\",\n    \"srcSet\": [\"/static/53f923f3e88f5e6647b9f7d14503eb10/02569/adjacency1.png 285w\", \"/static/53f923f3e88f5e6647b9f7d14503eb10/d4f70/adjacency1.png 570w\", \"/static/53f923f3e88f5e6647b9f7d14503eb10/b7079/adjacency1.png 681w\"],\n    \"sizes\": \"(max-width: 681px) 100vw, 681px\",\n    \"style\": {\n      \"width\": \"100%\",\n      \"height\": \"100%\",\n      \"margin\": \"0\",\n      \"verticalAlign\": \"middle\",\n      \"position\": \"absolute\",\n      \"top\": \"0\",\n      \"left\": \"0\"\n    },\n    \"loading\": \"lazy\"\n  })), \"\\n    \"), \"\\n    \", mdx(\"figcaption\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-figcaption\"\n  }), \"\\\"Adjacency List Representation\\\"\"), \"\\n  \"), mdx(\"em\", {\n    parentName: \"p\"\n  }, \"Figure 1.2\")), mdx(\"h4\", {\n    \"id\": \"adjacency-matrix-representation-of-the-graph\"\n  }, \"Adjacency Matrix representation of the Graph\"), mdx(\"p\", null, \"In this representation, each vertex is represented as index of a 2-d array of size V*V. Where is V is the total number of vertices.\\nIf there is connection between vertices, then you store 1 at the corresponding coordinate, if not then you store 0.\\nHere 0 means Delhi and 1 means Mumbai.\\nThe coordinate (0,0) means, connection between Delhi and Delhi.\\nThat has to be true, each vertex is reachable to its own. So it stores value 1. The coordinate (0,1) means connection between Delhi and Mumbai. Similarly the coordinate (1, 0) means connection between Mumbai and Delhi.\"), mdx(\"p\", null, \"Notice: If all the edges are bi-directional then resulting matirx would be a symmetric matrix.\"), mdx(\"p\", null, mdx(\"figure\", _extends({\n    parentName: \"p\"\n  }, {\n    \"className\": \"gatsby-resp-image-figure\",\n    \"style\": {}\n  }), \"\\n    \", mdx(\"span\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-wrapper\",\n    \"style\": {\n      \"position\": \"relative\",\n      \"display\": \"block\",\n      \"marginLeft\": \"auto\",\n      \"marginRight\": \"auto\",\n      \"maxWidth\": \"446px\"\n    }\n  }), \"\\n      \", mdx(\"span\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-background-image\",\n    \"style\": {\n      \"paddingBottom\": \"58.59649122807018%\",\n      \"position\": \"relative\",\n      \"bottom\": \"0\",\n      \"left\": \"0\",\n      \"backgroundImage\": \"url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAMCAYAAABiDJ37AAAACXBIWXMAAAsTAAALEwEAmpwYAAAB9UlEQVQoz2WT2Y7aQBBF+SDAC3nyA/j/v2EWRCbY7sW9um1CMjddRYCMIqvUCMmnz60qr3bYYe/2aGOLNuWaWxzs4XEeUi6fK97O3ecO9WcNeo/O+leua/34b9VMDV7UC0Yzotc9Bj1AjAK96iGNRCc7SCvRix6d7Rhc5OdbfqpLhe2wxfq4flywauYGZ3vGHGY45+CdRwwR1likmGBGgzQluNHBTQ6HcAOy6e8a1VyhDCXqn3fDDDyNJwQXoI2GMQbWWuhRw3kHpRV88JBCQhjBrfkXWMgC69c1Slv+BV4yUN+AFJuAZKq1hvceSimEEKCEgvLqEZkj5v5VU8WwwhTcglUTG3zYD6SQYJ1l2DjewFQEJmNnHEw0X3pIwyDQ5rTB5vsGVSLg0uCojvDGczwCEFBKyaBhGPgiOUhIJ589JEMCjgW25y1HJ2M2PPs8lDhzRIp3jz1NE0PTnIejs23QaKf2S2QaCE26UAVfwIbv8p2nKJXknlEJIRjMhmTaDzyUu+Ejcjbc/Nig9OVzD8lwmRaEGNiQAGQ7z7dVmpeZDccwfjW8r02GVUv1XJs38QarLfqh595RH8mMTLuu496KXrDhPuyfhnn3KCotNg2FLmDDYRpwXa68dyklLMuCGCP/JlM6acnjJf63h2TGhnl96Ev5A+el5M9xWmNFAAAAAElFTkSuQmCC')\",\n      \"backgroundSize\": \"cover\",\n      \"display\": \"block\"\n    }\n  })), \"\\n  \", mdx(\"img\", _extends({\n    parentName: \"span\"\n  }, {\n    \"className\": \"gatsby-resp-image-image\",\n    \"alt\": \"\\\"Adjacency Matrix Representation\\\"\",\n    \"title\": \"\\\"Adjacency Matrix Representation\\\"\",\n    \"src\": \"/static/4ac0c3f6927128b6aa5aae6058eb42c0/c634a/adjacency-matrix.png\",\n    \"srcSet\": [\"/static/4ac0c3f6927128b6aa5aae6058eb42c0/02569/adjacency-matrix.png 285w\", \"/static/4ac0c3f6927128b6aa5aae6058eb42c0/c634a/adjacency-matrix.png 446w\"],\n    \"sizes\": \"(max-width: 446px) 100vw, 446px\",\n    \"style\": {\n      \"width\": \"100%\",\n      \"height\": \"100%\",\n      \"margin\": \"0\",\n      \"verticalAlign\": \"middle\",\n      \"position\": \"absolute\",\n      \"top\": \"0\",\n      \"left\": \"0\"\n    },\n    \"loading\": \"lazy\"\n  })), \"\\n    \"), \"\\n    \", mdx(\"figcaption\", _extends({\n    parentName: \"figure\"\n  }, {\n    \"className\": \"gatsby-resp-image-figcaption\"\n  }), \"\\\"Adjacency Matrix Representation\\\"\"), \"\\n  \"), mdx(\"em\", {\n    parentName: \"p\"\n  }, \"Figure 1.3\")), mdx(\"h4\", {\n    \"id\": \"which-representation-is-better\"\n  }, \"Which representation is better?\"), mdx(\"p\", null, \"That\\u2019s quite debatable. If the resulting matrix is sparse matrix then you will end up storing a lot of 0\\u2019s in the matrix, for that matter you do not care much about them. You care more about what\\u2019s connected. In that case adjacency list is better. But, in another case, if the connectivity is dense and you expect all the vertices are mostly connected then adjacency matrix is better than adjacency list.\"), mdx(\"p\", null, \"For our illustration, we will use adjacency list.\"), mdx(\"h4\", {\n    \"id\": \"graph-implementation---adjacency-list\"\n  }, \"Graph Implementation - Adjacency List\"), mdx(\"pre\", null, mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-java\"\n  }), \"import java.util.ArrayList;\\nimport java.util.HashMap;\\n\\npublic class AdjacencyGraph {\\n    private HashMap<String, ArrayList<String>> graph= new HashMap<>();\\n    public AdjacencyGraph(String[] arr) {\\n        for(int i=0; i<arr.length; i++) {\\n\\n            graph.put(arr[i], new ArrayList<>());\\n        }\\n    }\\n\\n    // Assuming bi-directional graph\\n    public void add(String src, String dst) {\\n        graph.get(src).add(dst);\\n        graph.get(dst).add(src);\\n    }\\n\\n    public void printGraph() {\\n        for(String s: graph.keySet()) {\\n            ArrayList<String> a = graph.get(s);\\n            System.out.print(s+\\\"-->\\\");\\n            for(int k=0;k<a.size();k++) {\\n                if(k == a.size()-1) {\\n                    System.out.print(a.get(k));\\n                } else {\\n                    System.out.print(a.get(k)+\\\"-->\\\");\\n                }\\n\\n            }\\n            System.out.println();\\n        }\\n    }\\n\\n    public static void main(String[] args) {\\n        String[] arr = {\\\"Hyderabad\\\", \\\"Delhi\\\", \\\"Bangalore\\\", \\\"Chennai\\\", \\\"Mumbai\\\", \\\"Guwahati\\\"};\\n        AdjacencyGraph graph = new AdjacencyGraph(arr);\\n        graph.add(\\\"Hyderabad\\\",\\\"Mumbai\\\");\\n        graph.add(\\\"Hyderabad\\\",\\\"Delhi\\\");\\n        graph.add(\\\"Hyderabad\\\",\\\"Guwahati\\\");\\n        graph.add(\\\"Bangalore\\\",\\\"Chennai\\\");\\n        graph.add(\\\"Bangalore\\\",\\\"Mumbai\\\");\\n        graph.add(\\\"Bangalore\\\",\\\"Delhi\\\");\\n        graph.add(\\\"Delhi\\\",\\\"Mumbai\\\");\\n        graph.add(\\\"Delhi\\\",\\\"Chennai\\\");\\n        graph.add(\\\"Delhi\\\",\\\"Guwahati\\\");\\n        graph.add(\\\"Mumbai\\\",\\\"Chennai\\\");\\n        graph.printGraph();\\n    }\\n}\\n\")), mdx(\"p\", null, mdx(\"strong\", {\n    parentName: \"p\"\n  }, \"Console Output\")), mdx(\"pre\", null, mdx(\"code\", _extends({\n    parentName: \"pre\"\n  }, {\n    \"className\": \"language-console\"\n  }), \"Delhi-->Hyderabad-->Bangalore-->Mumbai-->Chennai-->Guwahati\\nGuwahati-->Hyderabad-->Delhi\\nChennai-->Bangalore-->Delhi-->Mumbai\\nMumbai-->Hyderabad-->Bangalore-->Delhi-->Chennai\\nHyderabad-->Mumbai-->Delhi-->Guwahati\\nBangalore-->Chennai-->Mumbai-->Delhi\\n\")), mdx(\"p\", null, \"Hope you liked this tutorial.\\nYou might also like other tutorials in this series \", mdx(\"a\", {\n    href: \"/data-structure-fundamentals-in-java\"\n  }, \"here\")));\n}\n;\nMDXContent.isMDXComponent = true;","keywords":null,"tags":[{"id":"122a1f7b-8aaa-5c61-8b07-1798b29eac0c","name":"#ds","slug":"/tag/ds/"},{"id":"5c60dbef-ef6f-5458-9c5c-d2c4a69cddd8","name":"#programming","slug":"/tag/programming/"},{"id":"d17b872d-05c3-5133-9b3b-af89679c764a","name":"#java","slug":"/tag/java/"}],"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/60409e3b1964a3d2a8389370f11366dc/8f7be/cover.jpg","srcSet":"/static/60409e3b1964a3d2a8389370f11366dc/8f7be/cover.jpg 1x,\n/static/60409e3b1964a3d2a8389370f11366dc/1af80/cover.jpg 1.5x,\n/static/60409e3b1964a3d2a8389370f11366dc/1acf6/cover.jpg 2x","srcWebp":"/static/60409e3b1964a3d2a8389370f11366dc/03323/cover.webp","srcSetWebp":"/static/60409e3b1964a3d2a8389370f11366dc/03323/cover.webp 1x,\n/static/60409e3b1964a3d2a8389370f11366dc/c8e9c/cover.webp 1.5x,\n/static/60409e3b1964a3d2a8389370f11366dc/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/60409e3b1964a3d2a8389370f11366dc/a8483/cover.jpg","srcSet":"/static/60409e3b1964a3d2a8389370f11366dc/a8483/cover.jpg 1x,\n/static/60409e3b1964a3d2a8389370f11366dc/fc0c4/cover.jpg 1.5x,\n/static/60409e3b1964a3d2a8389370f11366dc/5497e/cover.jpg 2x","srcWebp":"/static/60409e3b1964a3d2a8389370f11366dc/7330c/cover.webp","srcSetWebp":"/static/60409e3b1964a3d2a8389370f11366dc/7330c/cover.webp 1x,\n/static/60409e3b1964a3d2a8389370f11366dc/2b083/cover.webp 1.5x,\n/static/60409e3b1964a3d2a8389370f11366dc/c851e/cover.webp 2x","width":1600,"height":650}}},"tagCategoryPosts":{"nodes":[{"__typename":"MdxArticleProxy","id":"12a3aa7f-4fcb-5f67-bdaa-9706b05c938c","title":"Build Rest API from scratch in Node.js","slug":"/build-rest-api-from-scratch-in-nodejs/","link":null,"excerpt":"Scope of this tutorial Node.js setup Building REST API for a todo app using express.js Error…","timeToRead":4,"featured":null,"thumbnailText":null,"date":"July 24, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1af80/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1acf6/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c8e9c/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/fc0c4/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/5497e/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/2b083/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4b3d2c3c-ac76-5e72-9700-846002af0f68","title":"Data Structure Fundamentals in Java","slug":"/data-structure-fundamentals-in-java/","link":null,"excerpt":"What is the Data Structure? In the simplest term, a data structure is a container for the data.\nWe…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"July 18, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1af80/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1acf6/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c8e9c/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/fc0c4/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/5497e/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/2b083/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"ec792d61-21ab-5a05-846d-412d6f9f818e","title":"Stack Fundamentals in Java","slug":"/stack-fundamentals-in-java/","link":null,"excerpt":"What is a Stack? Stack is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 16, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/1af80/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/1acf6/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/c8e9c/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/fc0c4/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/5497e/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/2b083/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4a5f3b2a-2528-5d24-a0af-02a95097f9bb","title":"Queue Fundamentals in Java","slug":"/queue-fundamentals-in-java/","link":null,"excerpt":"What is a Queue? Queue is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 15, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/1af80/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/1acf6/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/c8e9c/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/fc0c4/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/5497e/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/2b083/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"1bb6ec1f-f692-5595-8d41-f893a7d3ff4a","title":"HashMap Fundamentals in Java","slug":"/hashmap-fundamentals-in-java/","link":null,"excerpt":"What is a HashMap HashMap is one many data structures in programming. It stores data in key-value…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 13, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1af80/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1acf6/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c8e9c/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/fc0c4/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/5497e/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/2b083/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"72406879-87be-556c-bc67-b42ce952e4a0","title":"LinkedList fundamentals in Java","slug":"/linkedlist-fundamentals-in-java/","link":null,"excerpt":"What is a LinkedList? LinkedList is one many data structures in programming.\nUnlike arrays, data is…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 10, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1af80/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1acf6/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c8e9c/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/fc0c4/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/5497e/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/2b083/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c851e/cover.webp 2x","width":1600,"height":650}}}]},"tagPosts":{"nodes":[{"__typename":"MdxArticleProxy","id":"12a3aa7f-4fcb-5f67-bdaa-9706b05c938c","title":"Build Rest API from scratch in Node.js","slug":"/build-rest-api-from-scratch-in-nodejs/","link":null,"excerpt":"Scope of this tutorial Node.js setup Building REST API for a todo app using express.js Error…","timeToRead":4,"featured":null,"thumbnailText":null,"date":"July 24, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1af80/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1acf6/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c8e9c/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/fc0c4/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/5497e/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/2b083/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4b3d2c3c-ac76-5e72-9700-846002af0f68","title":"Data Structure Fundamentals in Java","slug":"/data-structure-fundamentals-in-java/","link":null,"excerpt":"What is the Data Structure? In the simplest term, a data structure is a container for the data.\nWe…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"July 18, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1af80/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1acf6/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c8e9c/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/fc0c4/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/5497e/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/2b083/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"ec792d61-21ab-5a05-846d-412d6f9f818e","title":"Stack Fundamentals in Java","slug":"/stack-fundamentals-in-java/","link":null,"excerpt":"What is a Stack? Stack is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 16, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/1af80/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/1acf6/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/c8e9c/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/fc0c4/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/5497e/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/2b083/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4a5f3b2a-2528-5d24-a0af-02a95097f9bb","title":"Queue Fundamentals in Java","slug":"/queue-fundamentals-in-java/","link":null,"excerpt":"What is a Queue? Queue is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 15, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/1af80/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/1acf6/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/c8e9c/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/fc0c4/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/5497e/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/2b083/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"1bb6ec1f-f692-5595-8d41-f893a7d3ff4a","title":"HashMap Fundamentals in Java","slug":"/hashmap-fundamentals-in-java/","link":null,"excerpt":"What is a HashMap HashMap is one many data structures in programming. It stores data in key-value…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 13, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1af80/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1acf6/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c8e9c/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/fc0c4/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/5497e/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/2b083/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"72406879-87be-556c-bc67-b42ce952e4a0","title":"LinkedList fundamentals in Java","slug":"/linkedlist-fundamentals-in-java/","link":null,"excerpt":"What is a LinkedList? LinkedList is one many data structures in programming.\nUnlike arrays, data is…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 10, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1af80/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1acf6/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c8e9c/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/fc0c4/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/5497e/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/2b083/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c851e/cover.webp 2x","width":1600,"height":650}}}]},"categoryPosts":{"nodes":[{"__typename":"MdxArticleProxy","id":"12a3aa7f-4fcb-5f67-bdaa-9706b05c938c","title":"Build Rest API from scratch in Node.js","slug":"/build-rest-api-from-scratch-in-nodejs/","link":null,"excerpt":"Scope of this tutorial Node.js setup Building REST API for a todo app using express.js Error…","timeToRead":4,"featured":null,"thumbnailText":null,"date":"July 24, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/8f7be/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1af80/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/1acf6/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/03323/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c8e9c/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg","srcSet":"/static/c2e1140c0912270d2a20800e2b8aa88b/a8483/cover.jpg 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/fc0c4/cover.jpg 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/5497e/cover.jpg 2x","srcWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp","srcSetWebp":"/static/c2e1140c0912270d2a20800e2b8aa88b/7330c/cover.webp 1x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/2b083/cover.webp 1.5x,\n/static/c2e1140c0912270d2a20800e2b8aa88b/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4b3d2c3c-ac76-5e72-9700-846002af0f68","title":"Data Structure Fundamentals in Java","slug":"/data-structure-fundamentals-in-java/","link":null,"excerpt":"What is the Data Structure? In the simplest term, a data structure is a container for the data.\nWe…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"July 18, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/8f7be/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1af80/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/1acf6/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/03323/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c8e9c/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg","srcSet":"/static/86abdccaedf3f5c1d3552844eb70c440/a8483/cover.jpg 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/fc0c4/cover.jpg 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/5497e/cover.jpg 2x","srcWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp","srcSetWebp":"/static/86abdccaedf3f5c1d3552844eb70c440/7330c/cover.webp 1x,\n/static/86abdccaedf3f5c1d3552844eb70c440/2b083/cover.webp 1.5x,\n/static/86abdccaedf3f5c1d3552844eb70c440/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"ec792d61-21ab-5a05-846d-412d6f9f818e","title":"Stack Fundamentals in Java","slug":"/stack-fundamentals-in-java/","link":null,"excerpt":"What is a Stack? Stack is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 16, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/8f7be/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/1af80/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/1acf6/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/03323/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/c8e9c/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg","srcSet":"/static/00e1055718af5913a29771adcff1d802/a8483/cover.jpg 1x,\n/static/00e1055718af5913a29771adcff1d802/fc0c4/cover.jpg 1.5x,\n/static/00e1055718af5913a29771adcff1d802/5497e/cover.jpg 2x","srcWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp","srcSetWebp":"/static/00e1055718af5913a29771adcff1d802/7330c/cover.webp 1x,\n/static/00e1055718af5913a29771adcff1d802/2b083/cover.webp 1.5x,\n/static/00e1055718af5913a29771adcff1d802/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"4a5f3b2a-2528-5d24-a0af-02a95097f9bb","title":"Queue Fundamentals in Java","slug":"/queue-fundamentals-in-java/","link":null,"excerpt":"What is a Queue? Queue is one of the many data structures in programming.\nOne of the best example of…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 15, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/8f7be/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/1af80/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/1acf6/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/03323/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/c8e9c/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg","srcSet":"/static/529b395cb975e6069b595efb03b9ce19/a8483/cover.jpg 1x,\n/static/529b395cb975e6069b595efb03b9ce19/fc0c4/cover.jpg 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/5497e/cover.jpg 2x","srcWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp","srcSetWebp":"/static/529b395cb975e6069b595efb03b9ce19/7330c/cover.webp 1x,\n/static/529b395cb975e6069b595efb03b9ce19/2b083/cover.webp 1.5x,\n/static/529b395cb975e6069b595efb03b9ce19/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"1bb6ec1f-f692-5595-8d41-f893a7d3ff4a","title":"HashMap Fundamentals in Java","slug":"/hashmap-fundamentals-in-java/","link":null,"excerpt":"What is a HashMap HashMap is one many data structures in programming. It stores data in key-value…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 13, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/8f7be/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1af80/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/1acf6/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/03323/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c8e9c/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg","srcSet":"/static/385f39f0ba5441d5fa9c9888825bf2d0/a8483/cover.jpg 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/fc0c4/cover.jpg 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/5497e/cover.jpg 2x","srcWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp","srcSetWebp":"/static/385f39f0ba5441d5fa9c9888825bf2d0/7330c/cover.webp 1x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/2b083/cover.webp 1.5x,\n/static/385f39f0ba5441d5fa9c9888825bf2d0/c851e/cover.webp 2x","width":1600,"height":650}}},{"__typename":"MdxArticleProxy","id":"72406879-87be-556c-bc67-b42ce952e4a0","title":"LinkedList fundamentals in Java","slug":"/linkedlist-fundamentals-in-java/","link":null,"excerpt":"What is a LinkedList? LinkedList is one many data structures in programming.\nUnlike arrays, data is…","timeToRead":1,"featured":null,"thumbnailText":null,"date":"May 10, 2020","category":{"__typename":"CategoriesJson","id":"9b34403c-9fbf-5755-b813-562840b22307","name":"Programming","slug":"/category/programming/","color":null,"icon":"/static/e4c25de42623633b3496afca3ce01e06/programming.svg"},"author":{"__typename":"AuthorsJson","id":"cb7eeca4-38c9-5674-90b7-7e96c482987b","name":"Arvind Pandey","slug":"/author/arvind-pandey/","title":"Software Engineer","description":"Specialized in Software Design, Development, and Engineering Leadership.","skills":["Javascript","React","Node.js"],"social":[{"name":"Github","url":"https://github.com/arvind3157"},{"name":"Twitter","url":"https://twitter.com/arvpande"},{"name":"Linkedin","url":"https://www.linkedin.com/in/arvpande/"}],"thumbnail":{"__typename":"ImageSharp","regular":{"width":150,"height":150,"src":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg","srcSet":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a9ab2/arvind-pandey.jpg 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3fb33/arvind-pandey.jpg 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/d7080/arvind-pandey.jpg 2x","srcWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp","srcSetWebp":"/static/1cf0ccf6c2ce94576dce6b324f5995d6/a3d54/arvind-pandey.webp 1x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/cc134/arvind-pandey.webp 1.5x,\n/static/1cf0ccf6c2ce94576dce6b324f5995d6/3cb0e/arvind-pandey.webp 2x"}}},"thumbnail":{"__typename":"ImageSharp","vertical":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/8f7be/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1af80/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/1acf6/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/03323/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c8e9c/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/e7f4c/cover.webp 2x","width":380,"height":290},"hero":{"src":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg","srcSet":"/static/2cb28bb363d7806e1c57a2ead25ebef0/a8483/cover.jpg 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/fc0c4/cover.jpg 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/5497e/cover.jpg 2x","srcWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp","srcSetWebp":"/static/2cb28bb363d7806e1c57a2ead25ebef0/7330c/cover.webp 1x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/2b083/cover.webp 1.5x,\n/static/2cb28bb363d7806e1c57a2ead25ebef0/c851e/cover.webp 2x","width":1600,"height":650}}}]},"previous":{"__typename":"MdxArticleProxy","id":"1bb6ec1f-f692-5595-8d41-f893a7d3ff4a","slug":"/hashmap-fundamentals-in-java/","title":"HashMap Fundamentals in Java"},"next":{"__typename":"MdxArticleProxy","id":"4a5f3b2a-2528-5d24-a0af-02a95097f9bb","slug":"/queue-fundamentals-in-java/","title":"Queue Fundamentals in Java"}},"pageContext":{"id":"2c5a14a8-48e7-5b97-aa82-1a6d9a7f87b6","categoryId":"9b34403c-9fbf-5755-b813-562840b22307","tagsIds":["122a1f7b-8aaa-5c61-8b07-1798b29eac0c","5c60dbef-ef6f-5458-9c5c-d2c4a69cddd8","d17b872d-05c3-5133-9b3b-af89679c764a"],"hasTags":true,"previousId":"1bb6ec1f-f692-5595-8d41-f893a7d3ff4a","nextId":"4a5f3b2a-2528-5d24-a0af-02a95097f9bb","paginatePostsPage":true,"basePath":"/","services":{"algolia":true,"mailchimp":true,"disqus":true},"siteUrl":"//arvindpandey.in/","mobileMenu":{"title":"Topics","items":[{"name":"Life & Productivity","slug":"/category/life-and-productivity/"},{"name":"Programming","slug":"/category/programming/"},{"name":"Running","slug":"/category/running/"}]},"darkMode":true}},"staticQueryHashes":["1992822086","2918496967","4235339838","4240507859","92822325"]}