获取用户输入

import java.util.Scanner;

public class demo9 {

    public static void main(String[] args) {
        Scanner in =  new Scanner(System.in);
        //读入下一行
        String  str = in.nextLine();
        //读入一个整数
        int age = in.nextInt();
        System.out.println(str);
        System.out.println(age);
    }

}