length of last word

public class Solution{
	public int lengthOfLastWord(String s){
		s = s.trim();
		int len = s.length();
		if(len < 1)
		return 0;
		int count = 0;
		for(int i = len - 1 ; i >= 0 ; i--){
			if(s.charAt(i) != ' '){
				count++;
			}else{
				break;
			}
		}
		return count;
	}
}