└── Matrix 2 dimensional


/Matrix 2 dimensional:
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 1 | import java.io.*;
 2 | class Matrix {
 3 |     public static void main(String[] args) {
 4 |         int[][]matrix={
 5 |             {1,2,3},
 6 |             {4,5,6},
 7 |             {7,8,9},
 8 |         };
 9 |         for(int i=0;i<matrix.length;i++)
10 |         {
11 |             if(i%2==0)
12 |             {
13 |                 for(int j=0;j<matrix[i].length;j++)
14 |                 {
15 |                     System.out.print(matrix[i][j]+" ");
16 |                 }
17 |                 System.out.println(" ");
18 |             }
19 |             else
20 |             {
21 |                 for(int j=matrix[i].length-1;j>=0;j--)
22 |                 {
23 |                     System.out.print(matrix[i][j]+" ");
24 |                 }
25 |                 System.out.println(" ");
26 |             }
27 |         }
28 |     }
29 | }
30 | 


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