0100. Remove Duplicates from Sorted Array

public class Solution {
    /*
     * @param nums: An ineger array
     * @return: An integer
     */
    public int removeDuplicates(int[] nums) {
        if(nums.length == 0){
            return 0;
        }
        int slow = 1;
        for(int fast = 1; fast<nums.length; fast++){
            if(nums[fast] > nums[fast-1]){
                nums[slow++] = nums[fast];
            }
        }
        return slow;
    }
}