addtion3.java

来自「ＪＡＶＡ编写的一些源代码」· Java 代码 · 共 16 行

import javax.swing.JOptionPane;  //import语句用于加载类库
public class Addtion3{
        public static void main(String args[])
        {
           String firstNumber,secondNumber;
           int number1,number2,sum;
           firstNumber=JOptionPane.showInputDialog("Enter first integer"); 	
           secondNumber=JOptionPane.showInputDialog("Enter second integer"); 	
           number1=Integer.parseInt(firstNumber);
           number2=Integer.parseInt(secondNumber);
           sum=number1+number2;
           JOptionPane.showMessageDialog(null,"The sum is"+sum,"Results",JOptionPane.PLAIN_MESSAGE);
           System.exit(0);
        }
   }