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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int[][] table = new int[3][3];
  13. 		// init 2d array
  14. 		for (int row = 0; row < 3; row ++)
  15. 		    for (int col = 0; col < 3; col++)
  16. 		        table[row][col] = (row * 3) + (col * 2);
  17.  
  18.  
  19. 		for (int row = 0; row < 3; row ++)
  20. 			System.out.println(Arrays.toString(table[row]));
  21.  
  22. 		System.out.println(sumColumn(table, 0));
  23. 		System.out.println(sumColumn(table, 1));
  24. 		System.out.println(sumColumn(table, 2));
  25. 		System.out.println(sumRow(table, 0));
  26. 		System.out.println(sumRow(table, 1));
  27. 		System.out.println(sumRow(table, 2));
  28.  
  29. 	}
  30.  
  31. 	public static int sumColumn(int[][] square, int columnNumber) {
  32.         int sum = 0 ;
  33.         for (int i = 0; i < square.length; i++)
  34.             sum = sum + square[columnNumber][i] ;
  35.         return sum ; 
  36.     }
  37.  
  38.     public static int sumRow(int[][] square, int rowNumber)
  39.     {
  40.         int sum = 0 ;
  41.         for (int i = 0; i < square[0].length; i++)
  42.             sum = sum + square[i][rowNumber] ;
  43.         return sum ;
  44.     }
  45. }
Success #stdin #stdout 0.11s 320512KB
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stdin
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Standard input is empty
stdout
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[0, 2, 4]
[3, 5, 7]
[6, 8, 10]
6
15
24
9
15
21
https://ideone.com/2b5S4R
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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