RotateArrayJava

class Solve {
    public static void rotate(int[] nums, int k) {
        k %= nums.length;
        int n = nums.length;
        int i = 0 , j = n-1;
        while(i<j){
           int temp = nums[i];
           nums[i] = nums[j];
           nums[j] = temp;
           i++;j--;
       }
       i = 0; j = k-1;
       while(i<j){
           int temp = nums[i];
           nums[i] = nums[j];
           nums[j] = temp;
           i++;j--;
       }
       i = k; j = nums.length-1;
       while(i<j){
           int temp = nums[i];
           nums[i] = nums[j];
           nums[j] = temp;
           i++;j--;
       }
    }
    public static void main (String[] args) {
        int[] arr = {1,2,3,4,5,6,7}; 
        rotate (arr,3);
        for(int  i = 0; i<arr.length;i++ ){
            System.out.print(arr[i]);
        }
    }    
}