//1-2Addition.java
// ڼ͵ӦóʹöԻ롢

// Java չ
import javax.swing.JOptionPane;  // import  JOptionPane
public class Addition {
// main 
public static void main( String args[] )
{
	String firstNumber;     // ûĵһַ
	String secondNumber;   //ûĵڶַ
	int number1;           // ͵ĵһ
	int number2;           //͵ĵڶ
	int sum;              // ڴź
	// ȡһַ
	firstNumber =JOptionPane.showInputDialog( "Enter first integer" );
       
	//ȡڶַ
	secondNumber =JOptionPane.showInputDialog( "Enter second integer" );	
	// StringתΪint
	number1 = Integer.parseInt( firstNumber ); 
	number2 = Integer.parseInt( secondNumber );	
	// 
	sum = number1 + number2;	
	// ʾ
	JOptionPane.showMessageDialog(null, "The sum is " + sum, "Results",
	JOptionPane.PLAIN_MESSAGE );	
	System.exit( 0 );   // ֹ
	}  // main
}  // Addition