FTPrep, 27 Remove Element

这道参考前一道题：点击打开链接

public class Solution {
public int removeElement(int[] nums, int val) {
int len=nums.length;
if(len==0) return 0;
int keep=0;
for(int scan=0; scan<len; ++scan){
if(nums[scan]!=val) nums[keep++] = nums[scan];
}
return keep;
}
}