Length of Last Word
1 public class Solution { 2 /** 3 * @param s A string 4 * @return the length of last word 5 */ 6 public static int lengthOfLastWord(String s) { 7 if (s == null || s.isEmpty()){ 8 return 0; 9 } 10 s = s.trim(); 11 int len = s.length(); 12 int index = 0; 13 for (int i = len - 1; i > 0; i--){ 14 if (Character.isSpaceChar(s.charAt(i))){ 15 index = i + 1; 16 break; 17 } 18 } 19 return len - index; 20 } 21 }