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  1. import java.util.Arrays;
  2.  
  3. public class Main {
  4. 	// ForExercises
  5.  
  6. 	public static void main (String[] args) {
  7. 		int[][] array = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}};
  8.  
  9. 			System.out.println(Arrays.toString(array[0]));
  10. 			System.out.println(Arrays.toString(array[1]));
  11. 			System.out.println(Arrays.toString(array[2]));
  12. 			System.out.println(Arrays.toString(array[3]));
  13.  
  14. 			int sum = 0;
  15. 			int length = array[0].length;
  16. 			int height = array.length;
  17. 			System.out.println(length);
  18. 			System.out.println(height);
  19.  
  20.  
  21. 			for (int i = 0; i < length; i++) {
  22. 				for (int j = 0; j < height; j++) {
  23. 					sum = sum + array[j][i];
  24. 				}
  25. 			}
  26.  
  27. 			System.out.println("Sum = " + sum);
  28. 	}
  29. }
Success #stdin #stdout 0.09s 53556KB
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stdin
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Standard input is empty
stdout
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[1, 2, 3]
[4, 5, 6]
[7, 8, 9]
[10, 11, 12]
3
4
Sum = 78
https://ideone.com/pSBwb7
language:
Java (HotSpot 12)
created:
23 hours ago
visibility:
public

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