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Swing Timers

javax.swing.Timer can only be used in Swing applications. javax.swing.Timer is a more appropriate choice over java.util.Timer for Swing applications. javax.swing.Timer handles thread sharing. You implement the java.awt.event.ActionListener interface and write your task code in its actionPerformed method. Ro cancel a task, you use the javax.swing.Timer class's stop method. import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; public class MainClass {   public static void main(String[] args) {     Timer timer = new Timer(1000, new MyTimerActionListener());     timer.start();     try {       Thread.sleep(10000);     } catch (InterruptedException e) {     }     timer.stop();   } } class MyTimerActionListener implements ActionListener {   public void actionPerformed(ActionEvent e) {     System.out.println("asdf");   } }