题目 1505: 蓝桥杯算法提高VIP-单词个数统计(JAVA)

import java.util.Scanner;

public class Main{

public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

String str=new String();

str=sc.nextLine();

int count=0;

while(str.indexOf(" ")!=-1) {

count++;

str=str.substring(str.indexOf(" ")+1);

}

System.out.println(+count+1);

}

}