{"id":24080,"date":"2022-11-30T07:15:21","date_gmt":"2022-11-30T01:45:21","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-2d-array-number-grid-with-for-and-if\/"},"modified":"2022-11-30T07:15:21","modified_gmt":"2022-11-30T01:45:21","slug":"solved-2d-array-number-grid-with-for-and-if","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-2d-array-number-grid-with-for-and-if\/","title":{"rendered":"[Solved] 2D Array number grid with for and if"},"content":{"rendered":"

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\n<\/p>\n

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The difference between the two elements in a column is 9: a[i][j] = a[i-1][j] + 9<\/code>, thus the code may be modified as:<\/p>\n

public static void main(String args[]) {\n      int array[][] = new int[6][5];\n      \/\/ initialize the first row\n      array[0] = new int[] {1, 2, 3, 5, 7};  \n      \/\/ print the first row\n      System.out.println(Arrays.toString(array[0]));\n\n      for (int i = 1; i < array.length; i++) {\n          \/\/ populate current row incrementing each element by 9\n          for (int j = 0; j < array[i].length; j++) {\n              array[i][j] = array[i - 1][j] + 9; \n          }\n          System.out.println(Arrays.toString(array[i]));\n      }\n}\n<\/code><\/pre>\n
Output:<\/p>\n
[1, 2, 3, 5, 7]\n[10, 11, 12, 14, 16]\n[19, 20, 21, 23, 25]\n[28, 29, 30, 32, 34]\n[37, 38, 39, 41, 43]\n[46, 47, 48, 50, 52]\n<\/code><\/pre>\n
Update<\/strong><\/p>\n
It would be more interesting task to generate the sequence starting from 1.
\nInside the row the differences between two adjacent elements change like 1, 1, 2, 2, 3<\/code>, and 3<\/code> is the difference between the last element of the previous row and the first element in the next row.<\/p>\n
int x = 1;\nfor (int i = 1; i < 7; i++) {\n    for (int j = 1; j < 6; j++) {\n        System.out.print(x + \"  \");\n        x += j \/ 2 + j % 2;\n    }\n    System.out.println();\n}\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            1<\/span> <\/p><\/div>\n<\/div>\n
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solved 2D Array number grid with for and if <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] The difference between the two elements in a column is 9: a[i][j] = a[i-1][j] + 9, thus the code may be modified as: public static void main(String args[]) { int array[][] = new int[6][5]; \/\/ initialize the first row array[0] = new int[] {1, 2, 3, 5, 7}; \/\/ print the first row System.out.println(Arrays.toString(array[0])); … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[479,593,639,323],"class_list":["post-24080","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arraylist","tag-for-loop","tag-if-statement","tag-java"],"yoast_head":"\n[Solved] 2D Array number grid with for and if - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-2d-array-number-grid-with-for-and-if\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] 2D Array number grid with for and if - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] The difference between the two elements in a column is 9: a[i][j] = a[i-1][j] + 9, thus the code may be modified as: public static void main(String args[]) { int array[][] = new int[6][5]; \/\/ initialize the first row array[0] = new int[] {1, 2, 3, 5, 7}; \/\/ print the first row System.out.println(Arrays.toString(array[0])); ... 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