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  1. class Kadai{
  2.     public static void main(String[] args){
  3.         /*1はここから*/
  4.         int[][]a=new int[2][3];
  5.         for(int i = 0; i < a.length; i++)
  6.             for(int j = 0; j < a[i].length; j++)
  7.                 System.out.print(a[i][j]);
  8.         /*ここまで*/
  9.         /*2はここから*/
  10.         int[][]b={
  11.             {0,0,0,},
  12.             {0,0,0}
  13.         }; 
  14.         for(int i = 0; i < b.length; i++)
  15.             for(int j = 0; j < b[i].length; j++)
  16.                 System.out.print(b[i][j]);
  17.         /*ここまで*/
  18.         /*3はここから*/
  19.         int[][]c={
  20.             new int[3],
  21.             new int[3]
  22.         };
  23.         /*ここまで*/
  24.         for(int i = 0; i < c.length; i++)
  25.             for(int j = 0; j < c[i].length; j++)
  26.                 System.out.print(c[i][j]);
  27.         /*ここまで*/
  28.         /*4はここから*/
  29.         int[][] d; 
  30.         d=new int[2][]; 
  31.         d[0]=new int[3]; 
  32.         d[1]=new int[3];
  33.         for(int i = 0; i < d.length; i++)
  34.             for(int j = 0; j < d[i].length; j++)
  35.                 System.out.print(d[i][j]);
  36.         /*ここまで*/
  37.     }
  38. }
Success #stdin #stdout 0.03s 246656KB
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000000000000000000000000
https://ideone.com/tXGRJg
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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