{"id":142316,"date":"2024-05-22T10:52:49","date_gmt":"2024-05-22T05:22:49","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142316"},"modified":"2024-05-22T10:52:49","modified_gmt":"2024-05-22T05:22:49","slug":"two-dimensional-array-in-java-part-1","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/two-dimensional-array-in-java-part-1\/","title":{"rendered":"Two Dimensional Array in Java Part &#8211; 1"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">import java.util.*;\r\nclass TestTwoDArray\r\n{\r\n     public static void main(String args[])  \r\n     {\r\n          int r,c,m,n;\r\n          Scanner scan=new Scanner(System.in);\r\n          System.out.println(\"Enter values of row and column\");\r\n          m=scan.nextInt();\r\n          n=scan.nextInt();\r\n\r\n            int ar[][]=new int[m][n];\r\n      \r\n            System.out.println(\"Enter elements in matrix\");\r\n            for(r=0;r&lt;m;r++)  \/\/outer loop for row\r\n            {\r\n                for(c=0;c&lt;n;c++) \/\/inner loop for row\r\n                { \r\n                   ar[r][c]=scan.nextInt();\r\n                }  \r\n            }\r\n            System.out.println(\"-------Elements if matrix----------\");\r\n             for(r=0;r&lt;m;r++)  \/\/outer loop for row\r\n            {\r\n                for(c=0;c&lt;n;c++) \/\/inner loop for row\r\n                {\r\n                  System.out.print(ar[r][c] + \"   \");\r\n                }\r\n                  System.out.println();\r\n            }\r\n\r\n           if(m==n) \r\n          { \r\n             System.out.println(\".....Upper Triangle elements....\");\r\n            for(r=0;r&lt;m;r++)  \/\/outer loop for row\r\n            {\r\n                for(c=0;c&lt;n;c++) \/\/inner loop for row\r\n                {\r\n                    if(r&lt;=c)\r\n                     System.out.print(ar[r][c] + \"   \");\r\n                }\r\n                  System.out.println();\r\n            }\r\n         }\r\n         else\r\n         System.out.println(\"Invalid mtrix for triangle elements.\");\r\n\r\n\r\n          if(m==n)\r\n          { \r\n             System.out.println(\".....Lower Triangle elements....\");\r\n            for(r=0;r&lt;m;r++)  \/\/outer loop for row\r\n            {\r\n                for(c=0;c&lt;n;c++) \/\/inner loop for row\r\n                {\r\n                    if(r&gt;=c)\r\n                     System.out.print(ar[r][c] + \"   \");\r\n                }\r\n                  System.out.println();\r\n            }\r\n         }\r\n         else\r\n         System.out.println(\"Invalid mtrix for triangle elements.\");\r\n\r\n             if(m==n)\r\n          { \r\n             System.out.println(\".....Digonal elements....\");\r\n               for(int i=0;i&lt;m;i++)\r\n                 System.out.println(ar[i][i]);\r\n\r\n            \/\/ for(r=0;r&lt;m;r++)  \/\/outer loop for row\r\n            \/\/ {\r\n            \/\/     for(c=0;c&lt;n;c++) \/\/inner loop for row\r\n            \/\/     {\r\n            \/\/         if(r==c)\r\n            \/\/          System.out.print(ar[r][c] + \"   \");\r\n            \/\/     }\r\n            \/\/       System.out.println();\r\n            \/\/ }\r\n         }\r\n         else\r\n         System.out.println(\"Invalid mtrix for digonal elements.\");\r\n\r\n     }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 import java.util.*; class TestTwoDArray { public static void main(String args[]) { int r,c,m,n; Scanner scan=new Scanner(System.in); System.out.println(&#8220;Enter values of row and column&#8221;); m=scan.nextInt(); n=scan.nextInt(); int ar[][]=new int[m][n]; System.out.println(&#8220;Enter elements in matrix&#8221;); for(r=0;r&lt;m;r++)&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[32203,7345,32204,29859,29858,32202,32200,20319,32201],"class_list":["post-142316","post","type-post","status-publish","format-standard","hentry","category-java","tag-2d-array-in-java","tag-java","tag-java-2d-array","tag-java-practical","tag-java-program","tag-java-program-on-two-dimensional-array","tag-java-two-dimensional-array","tag-two-dimensional-array","tag-two-dimensional-array-in-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Two Dimensional Array in Java Part - 1 - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/two-dimensional-array-in-java-part-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Two Dimensional Array in Java Part - 1 - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 import java.util.*; class TestTwoDArray { public static void main(String args[]) { int r,c,m,n; Scanner scan=new Scanner(System.in); System.out.println(&quot;Enter values of row and column&quot;); m=scan.nextInt(); n=scan.nextInt(); int ar[][]=new int[m][n]; System.out.println(&quot;Enter elements in matrix&quot;); for(r=0;r&lt;m;r++)&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/two-dimensional-array-in-java-part-1\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-22T05:22:49+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Two Dimensional Array in Java Part - 1 - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/two-dimensional-array-in-java-part-1\/","og_locale":"en_US","og_type":"article","og_title":"Two Dimensional Array in Java Part - 1 - DataFlair","og_description":"Program 1 import java.util.*; 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