question37.java

public class question37 {  
    public static void main(String[] args) {
            int[][] matrix = {
            {1, 2, 3},
            {4, 5, 6},
            {7, 8, 9}
         };
         int n = matrix.length;
   
         for(int i = 0; i < n; i++){
            for(int j = i; j < n; j++){
             int tamp  = matrix[i][j];
             matrix[i][j] = matrix[j][i];
             matrix[j][i] = tamp;
            }
            }

            for(int i = 0; i < n ; i++){
               for(int j = 0; j<n / 2; j++){
                  int temp = matrix[i][j];
                  matrix[i][j] = matrix[i][n - 1 -j];
                  matrix[i][n-1-j] = temp;
               }
            }

          for(int i = 0; i < n; i++){
             for(int j=0; j < n; j++){
                System.out.print(matrix[i][j]+ " ");
             }
            System.out.println();
         }

    }
}