27. Remove Element
easy
1 class Solution { 2 public int removeElement(int[] nums, int val) { 3 if(nums.length == 0) return 0; 4 if(nums.length == 1) { 5 if(nums[0] == val) { 6 return 0; 7 }else { 8 return 1; 9 } 10 } 11 int i = 0, record = 0; 12 while(i < nums.length) { 13 if(nums[i] != val) { 14 nums[record] = nums[i]; 15 record++; 16 i++; 17 }else { 18 i++; 19 } 20 } 21 return record; 22 } 23 }