Problemi con la classe TImer

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Scanner;

import javax.swing.JOptionPane;
import javax.swing.Timer;

public class TesterCountDown {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		
		//classe interna
		class CountDown implements ActionListener{
			
			
			//costruttore
			public CountDown (int initialCount) {
				count = initialCount;
			}
			
			//metodo
			public void actionPerformed(ActionEvent event) {
				
			
				if(count>=0) {
					System.out.println(count);
				
				
					count--;
				}
			}
					
				
				//variabile d'istanza
				private int count;
			}
		
		CountDown capodanno = new CountDown(10);
		Timer t = new Timer(1000, capodanno);t.start();
	
		//JOptionPane.showMessageDialog(null, "Quit?"); 
		System.exit(0);
		t.stop();
		}

	}