https://leetcode.com/problems/remove-element/#/description
public class Solution { public int removeElement(int[] nums, int val) { if (nums == null || nums.length == 0) { return 0; } int len = nums.length, index = 0; for (int num : nums) { if (num != val) { nums[index++] = num; } else { len--; } } return len; } }
原文:http://www.cnblogs.com/apanda009/p/7103181.html