Question

eclipse 输入一段话,看有几个单词 比如输入 what is your name? 输出 what,is,your

Answer 1

import java.util.Scanner;

public class CCCC {

public static void main(String[] args) {

String input =null;

Scanner nn = new Scanner(System.in);

System.out.println("输入：");

String a = nn.nextLine().replace(' ',',');

System.out.println(a);

}

}

上面的随手写写,也写对呀……哪有.read()?是next()吗?是nextLine()!这个好用了