[BOJ] 1152. 단어의 개수

import java.util.Scanner;

public class Main {
	 static Scanner sc=new Scanner(System.in);
	 
	 public static void main(String[] args) {
		String s=sc.nextLine();
        String[] sArr = s.split(" ");
		int size=sArr.length;
		int cnt=0;
		for (int i = 0; i < size; i++) {
			if(sArr[i].equals("")) {
				cnt++;
			}
		}
		System.out.println(size-cnt);
	}
}

import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {
	 static Scanner sc=new Scanner(System.in);
	 
	 public static void main(String[] args) {
		String s=sc.nextLine();
		StringTokenizer st=new StringTokenizer(s);
		int cnt=0;
		while(st.hasMoreTokens()) {
			st.nextToken();
			cnt++;
		}
		System.out.println(cnt);
	}
}