Réactualiser une interface JAVA

refresh()

import java.util.Timer;
import java.util.TimerTask;

public class Test
{        
    public static void refresh()
    {
        System.out.println("refresh");
    }
    
    public static void main(String[] args) throws Exception
    {
        TimerTask task = new TimerTask()
        {
            @Override
            public void run()
            {
                refresh();
            }
        };
        
        Timer timer = new Timer(true);
        timer.schedule(task, 0, 1000);
        
        for (int i=0; i<=50; i++)
        {
            System.out.println(i);
            Thread.sleep(100);
        }
    }
}