删除排序数组中的重复数字

public class Solution {
/**
* @param A: a array of integers
* @return : return an integer
*/
public int removeDuplicates(int[] nums) {
// write your code here
List<Integer> list = new LinkedList<>();
for(int i=0;i<nums.length;i++)
if(list.contains(nums[i]) == false)
list.add(nums[i]);
for(int i=0;i<list.size();i++)
nums[i] = list.get(i);

return list.size();
}
}