输入输出 测试

package com.zxs.process;

import java.util.Scanner;

public class process {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("使用next接收数：");
        if(scanner.hasNext()){
            String str = scanner.next();
            System.out.println("输入的内容为："+str);
        }
        scanner.close();
    }
}