解题

import java.util.Scanner;

public class Main{
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String string = scanner.nextLine();

    test01(string);
}

public static int test01(String name){
    int length = name.length()-1;
    int count=0;

    for (int i = length; i >= 0; i--) {
        if(name.charAt(i)!=' '){
            count++;
        }
        if(name.charAt(i)==' '){
            break ;
        }


    }

    System.out.println(count);
    return count;
}

}