{"id":4292,"date":"2024-03-14T01:18:15","date_gmt":"2024-03-14T01:18:15","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-do-you-write-java-insertion-sort-code\/"},"modified":"2025-07-31T05:43:05","modified_gmt":"2025-07-31T05:43:05","slug":"how-do-you-write-java-insertion-sort-code","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-do-you-write-java-insertion-sort-code\/","title":{"rendered":"Java Insertion Sort: Implementation Guide"},"content":{"rendered":"<p>Here is a simple example of implementing a Java insertion sort algorithm:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">InsertionSort<\/span> {\r\n    \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">insertionSort<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span>[] arr)<\/span> {\r\n        <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">n<\/span> <span class=\"hljs-operator\">=<\/span> arr.length;\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">i<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">1<\/span>; i &lt; n; i++) {\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">key<\/span> <span class=\"hljs-operator\">=<\/span> arr[i];\r\n            <span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">j<\/span> <span class=\"hljs-operator\">=<\/span> i - <span class=\"hljs-number\">1<\/span>;\r\n            <span class=\"hljs-keyword\">while<\/span> (j &gt;= <span class=\"hljs-number\">0<\/span> &amp;&amp; arr[j] &gt; key) {\r\n                arr[j + <span class=\"hljs-number\">1<\/span>] = arr[j];\r\n                j--;\r\n            }\r\n            arr[j + <span class=\"hljs-number\">1<\/span>] = key;\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-type\">int<\/span>[] arr = {<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">11<\/span>, <span class=\"hljs-number\">13<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span>};\r\n        \r\n        insertionSort(arr);\r\n        \r\n        System.out.println(<span class=\"hljs-string\">\"Sorted array:\"<\/span>);\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> num : arr) {\r\n            System.out.print(num + <span class=\"hljs-string\">\" \"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>The insertionSort method in the code above implements the insertion sorting algorithm. In the main method, an integer array is created and the insertionSort method is called to sort the array, after which the sorted array is printed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is a simple example of implementing a Java insertion sort algorithm: public class InsertionSort { public static void insertionSort(int[] arr) { int n = arr.length; for (int i = 1; i &lt; n; i++) { int key = arr[i]; int j = i &#8211; 1; while (j &gt;= 0 &amp;&amp; arr[j] &gt; key) { [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[224,3698,87,180,3189],"class_list":["post-4292","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-structures","tag-insertion-sort","tag-java","tag-java-programming","tag-sorting-algorithm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java Insertion Sort: Implementation Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to implement insertion sort in Java with our step-by-step guide. 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