백준알고리즘 1152번

import java.util.ArrayList; import java.util.List; import java.util.Scanner; import java.util.StringTokenizer; public class Hello3 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String input = sc.nextLine(); StringTokenizer tokenizer = new StringTokenizer(input," "); System.out.println(tokenizer.countTokens()); sc.close(); } }