//接收键盘输入：

//怎么实现接收控制台输入？

import java.util.Scanner;

//Test.java

import java.util.Scanner;

public class Test16{

    public static void main(String args[]){

        System.out.println("input a number:");

        Scanner in =new Scanner(System.in);

        int x1=in.nextInt();

        System.out.println("input a number:");

        int x2=in.nextInt();

        int x3=x1+x2;

        System.out.println("x1+x2="+x3);

    }

}