二维数组的转置（java）

 public class ShuZhuDaoZhi {

     public static void main(String[] args) {
         int data[][] = new int[][]{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
         System.out.println("----------------转置前------------------------");
         print1(data);
         reverse(data);
         System.out.println("----------------转置后------------------------");
         print1(data);
     }

     // 将矩阵转置
     public static void reverse(int temp[][]) {
         for (int i = 0; i < temp.length; i++) {
             for (int j = i; j < temp[i].length; j++) {
                 int k = temp[i][j];
                 temp[i][j] = temp[j][i];
                 temp[j][i] = k;
             }
         }
     }

     // 将矩阵输出
     public static void print1(int temp[][]) {
         for (int i = 0; i < temp.length; i++) {
             for (int j = 0; j < temp[i].length; j++) {
                 System.out.print(temp[i][j] + "\t");
             }
             System.out.println();
         }
     }
 }