public void rotate(int[]nums, int k) {
int n = nums.length;
int[] newNums = new int[n];
k = k % n;// k is number of rotations
for(int i = 0; i < n; i++) {
newNums[(i + k) % n] = nums[i];
}
for(int i = 0; i < n; i++){
nums[1] = newNums[i];
}
}