58.LengthofLastWord(easy).java

/*

Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.

If the last word does not exist, return 0.

Note: A word is defined as a character sequence consists of non-space characters only.

For example,
Given s = "Hello World",
return 5.

*/

public class Solution {
    public int lengthOfLastWord(String s)
{
	if (s == null) return 0;
	String[] strs = s.split(" ");
	return (strs.length > 0)?strs[strs.length-1].length():0;
}
}