字符串最后一个单词的长度
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
while(input.hasNext()){
String str = input.nextLine();
System.out.println(endOfString(str));
}
}
public static int endOfString(String str){
String[] s = str.split(" ");
return s[s.length - 1].length();
}
}