Java Swing Application Reload?

int reply;
String message = "Do you want to input another number?";
String title = "Input Another Number?";
reply = (JOptionPane.showConfirmDialog(null, message, title, JOptionPane.YES_NO_OPTION);
if (reply == JOptionPane.NO_OPTION) {
System.exit(0); }

// TimeConverter.java
// Author: Adam Martin 
// Assignment #2, Time Converter 
// This program lets the user input seconds and converts into hours, minutes and seconds (HH:MM:SS).
	
	// Imports the GUI interface used by Swing. JOptionPane is used for producing special windows called dialog 
	// windows, dialog boxes, or just dialogs.
	import javax.swing.JOptionPane;
	  
 	public class TimeConverter
		{
			public static void main(String[] args)
				{			
					
					
	// Input dialog box to input number of seconds. Takes the input from the user and assigns it to a string
	// and converts the string into an integer
   										
   	String secondsString = JOptionPane.showInputDialog("Enter number of seconds:");
	int secondsAmount = Integer.parseInt(secondsString);					
			
	int hours, minutes, seconds, remainder;  // whole number for hours, divides seconds by 3600 (number of seconds in one hour)	
		hours = secondsAmount / 3600;		// the remainder operator (%) will get the remainder of secondsAmount / 3600 
		remainder = secondsAmount % 3600;	// whole number for minutes, divides the remainder by 60 (number of seconds in one minute)
		minutes = remainder / 60;			// remainder operator gets the remainder of secondsAmount / 60, it will be used as the left
		seconds = remainder % 60;			// over seconds that were not converted
						
		JOptionPane.showMessageDialog(null,"The time is " + (hours < 10 ? "0" : "") + hours + ":" +
									 (minutes < 10 ? "0" : "") + minutes + ":" + (seconds <10 ? "0" : "") + seconds + " (HH:MM:SS)");
   							
	int reply;
		String message = "Do you want to input another number?"; 
		String title = "Input Another Number?";  
		reply = JOptionPane.showConfirmDialog(null, message, title, JOptionPane.YES_NO_OPTION);
   		if (reply == JOptionPane.NO_OPTION) {  
		System.exit(0); }
		if (reply == JOptionPane.YES_OPTION) {
					}
				}
			}