Move all 0's to the end

class Solution 
{
    public void moveZeroes(int[] nums)
     {
        int size=nums.length;
        if(size==0 || size==1)
        return;

        int nz=0,z=0;
        while(nz<size)
        {
            if(nums[nz]!=0)
            {
                int temp=nums[nz];
                nums[nz]=nums[z];
                nums[z]=temp;
                nz++;
                z++;
            }
            else
            {
                nz++;
            }
        }
        
    }
}