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Java/reverse.java

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+
+import java.util.*;
+
+public class reverse {
+
+    public static void main(String[] args) {
+
+        Scanner in = new Scanner(System.in);
+
+        int n = in.nextInt();
+        int m = in.nextInt();
+
+        int[][] A = new int[n][m];
+
+        for(int i = 0; i < n ; i++){
+            for(int j = 0 ; j  < m; j++){
+                A[i][j] = in.nextInt();
+            }
+        }
+        Reverse(A);
+
+        for (int i = 0; i < A.length; i++) {
+            for (int j = 0; j < A[0].length; j++) {
+                System.out.print(A[i][j] + " ");
+            }
+            System.out.println();
+        }
+    }
+        public static int[][] Reverse(int[][] image)
+        {
+
+        for (int i = 0 ; i < image.length ; i++) {
+        int s = 0;
+        int e = image[0].length -1;
+        while(s < e) {
+            int temp = image[i][s];
+            image[i][s] = image[i][e];
+            image[i][e] =temp;
+            s++;
+            e--;
+        }
+        }
+        return image;
+    }
+
+
+}