二维数组的转置（java）

 1 public class ShuZhuDaoZhi {
 2 
 3 
 4     public static void main(String[] args) {
 5         int data[][] = new int[][]{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
 6         System.out.println("----------------转置前------------------------");
 7         print1(data);
 8         reverse(data);
 9         System.out.println("----------------转置后------------------------");
10         print1(data);
11     }
12 
13     // 将矩阵转置
14     public static void reverse(int temp[][]) {
15         for (int i = 0; i < temp.length; i++) {
16             for (int j = i; j < temp[i].length; j++) {
17                 int k = temp[i][j];
18                 temp[i][j] = temp[j][i];
19                 temp[j][i] = k;
20             }
21         }
22     }
23 
24     // 将矩阵输出
25     public static void print1(int temp[][]) {
26         for (int i = 0; i < temp.length; i++) {
27             for (int j = 0; j < temp[i].length; j++) {
28                 System.out.print(temp[i][j] + "\t");
29             }
30             System.out.println();
31         }
32     }
33 }