283. Move Zeroes

#SOLUTION-1
Runtime   1 ms
Beats     100%

Memory    45.2 MB
Beats     59.47%


class Solution {
    public void moveZeroes(int[] nums) {
        int i = 0; 
        for (int num:nums){
            if(num != 0){
                nums[i] = num;
                i++;
            }
        }
        while(i<nums.length){
            nums[i] = 0;
            i++;
        }
    }
}



#SOLUTION-2

Runtime    2 ms
Beats      40.49%

Memory     44.8 MB
Beats      83.35%

class Solution {
    public void moveZeroes(int[] nums) {
        int []target=new int[nums.length];
        System.arraycopy(nums, 0, target, 0, nums.length);
        int beg = 0 , end = nums.length - 1;
        for(int i=0 ; i < nums.length && end >= beg ; i++){
            if(target[i] == 0){
                nums[end]=target[i];
                end--;
            }
            else{
                nums[beg]=target[i];
                beg++;
            }
        }
    }
}