Class Solution

RotateMatrix90Degree.java:1–26

class Solution
{
    //Function to rotate matrix anticlockwise by 90 degrees.
    static void rotateby90(int matrix[][], int n) 
    { 
        // code here
        
        for(int i=0;i<n/2;i++)
        {
            for(int j=i;j<n-i-1;j++)
            {
                // Store the first element
                int temp = matrix[i][j];
                
                matrix[i][j] = matrix[j][n-1-i];
                
                matrix[j][n-1-i] = matrix[n-1-i][n-1-j];
                
                matrix[n-1-i][n-1-j] = matrix[n-1-j][i];
                
                matrix[n-1-j][i] = temp;
            }
        }
       
    }
}