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- public class Test {
- public static void main(String[] d) {
- int[][] x = {{1,2,3},{4,5,6},{7,8,9}};
- System.out.println("Sample Of Reverse, I want to Reverse like This way! ========");
- for (int i = x.length - 1; i >= 0; i--) {
- for (int j = x[i].length - 1; j >= 0; j--) {
- System.out.print(" " + x[i][j] + " ");
- }
- System.out.println();
- }
- System.out.println("Before Reversing the Array ! ========");
- for (int i = 0; i < x.length; i++) {
- for (int j = 0; j < x[i].length; j++) {
- System.out.print(" " + x[i][j] + " ");
- }
- System.out.println();
- }
- // reverse each row:
- final int SIZE=x[0].length; // assume square
- for (int i = 0; i < SIZE; i++) {
- for (int j = 0; j<SIZE/2; j++) {
- int temp = x[i][j];
- x[i][j]=x[i][SIZE-j-1];
- x[i][SIZE-j-1] = temp;
- }
- }
- // now swap rows
- for (int i = 0; i < SIZE/2; i++) {
- for (int j = 0; j<SIZE; j++) {
- int temp = x[i][j];
- x[i][j]=x[SIZE-i-1][j];
- x[SIZE-i-1][j] = temp;
- }
- }
- System.out.println("After Reversing the Array ! ========");
- for (int i = 0; i < SIZE; i++) {
- for (int j = 0; j < SIZE; j++) {
- System.out.print(" " + x[i][j] + " ");
- }
- System.out.println();
- }
- }
- }
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