java 鍵盤輸入兩數值相加

package app2_3;

import java.util.Scanner;

public class hw3_21 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
            int num1 ,num2 ;
            Scanner scn = new Scanner(System.in);
            System.out.println("請輸入數值1 : ");
            num1=scn.nextInt();
            System.out.println("請輸入數值2 : ");
            num2=scn.nextInt();
           
            System.out.println("兩數值相加為"+ (num1+num2));
       
       
    }

}