addition3.java

用ＪＡＶＡ语言编写的实例

import javax.swing.JOptionPane;
public class Addition3{
	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);
	}
}