Formatted with Google Java Formatter

github-actions · github-actions · commit e72d71c0d728 · 2021-09-20T18:50:09.000Z
diff --git a/Others/RotateMatriceBy90Degree.java b/Others/RotateMatriceBy90Degree.java
@@ -1,71 +1,60 @@
 package Others;
 
 /**
- * Given a matrix of size n x n 
- * We have to rotate this matrix by 90 Degree 
- * Here is the algorithm for this problem .
- * 
+ * Given a matrix of size n x n We have to rotate this matrix by 90 Degree Here is the algorithm for
+ * this problem .
  */
-
 import java.util.*;
 
 class Rotate_by_90_degree {
-    public static void main(String[] args) {
-        Scanner sc = new Scanner(System.in);
-        int t = sc.nextInt();
-
-        while (t-- > 0) {
-            int n = sc.nextInt();
-            int[][] arr = new int[n][n];
+  public static void main(String[] args) {
+    Scanner sc = new Scanner(System.in);
+    int t = sc.nextInt();
 
-            for (int i = 0; i < n; i++)
-                for (int j = 0; j < n; j++)
-                    arr[i][j] = sc.nextInt();
+    while (t-- > 0) {
+      int n = sc.nextInt();
+      int[][] arr = new int[n][n];
 
-            Rotate g = new Rotate();
-            g.rotate(arr);
-            printMatrix(arr);
+      for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) arr[i][j] = sc.nextInt();
 
-        }
-        sc.close();
+      Rotate g = new Rotate();
+      g.rotate(arr);
+      printMatrix(arr);
     }
+    sc.close();
+  }
 
-    static void printMatrix(int arr[][]) {
-        for (int i = 0; i < arr.length; i++) {
-            for (int j = 0; j < arr[0].length; j++)
-                System.out.print(arr[i][j] + " ");
-            System.out.println("");
-        }
+  static void printMatrix(int arr[][]) {
+    for (int i = 0; i < arr.length; i++) {
+      for (int j = 0; j < arr[0].length; j++) System.out.print(arr[i][j] + " ");
+      System.out.println("");
     }
+  }
 }
 
-/**
- * Class containing the algo to roate matrix by 90 degree 
- */
-
+/** Class containing the algo to roate matrix by 90 degree */
 class Rotate {
-    static void rotate(int a[][]) {
-        int n = a.length;
-        for (int i = 0; i < n; i++) {
-            for (int j = 0; j < n; j++) {
-                if (i > j) {
-                    int temp = a[i][j];
-                    a[i][j] = a[j][i];
-                    a[j][i] = temp;
-                }
-            }
-        }
-        int i = 0, k = n - 1;
-        while (i < k) {
-            for (int j = 0; j < n; j++) {
-                int temp = a[i][j];
-                a[i][j] = a[k][j];
-                a[k][j] = temp;
-            }
-
-            i++;
-            k--;
+  static void rotate(int a[][]) {
+    int n = a.length;
+    for (int i = 0; i < n; i++) {
+      for (int j = 0; j < n; j++) {
+        if (i > j) {
+          int temp = a[i][j];
+          a[i][j] = a[j][i];
+          a[j][i] = temp;
         }
-
+      }
+    }
+    int i = 0, k = n - 1;
+    while (i < k) {
+      for (int j = 0; j < n; j++) {
+        int temp = a[i][j];
+        a[i][j] = a[k][j];
+        a[k][j] = temp;
+      }
+
+      i++;
+      k--;
     }
+  }
 }
