Java中计时器的使用

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

public class TimerExample
{
    /**
     * Java中计时器的使用
     * Time: 21:19 2010-1-5
     */
    Timer localTimer;
    public TimerExample(int seconds)
    {
        // Create local timer
        localTimer = new Timer();

        // Create local timer task and set the timer-parameter
        localTimer.schedule(new LocalTimerTask(), 0, seconds * 1000);
    }

    class LocalTimerTask extends TimerTask
    {
        int bitTest = 0xFFFFFFFF;
        int flag = 1;
        int temp = bitTest;

        // Override the abstract method of TimerTask
        // The run() will be called every per timer
        public void run()
        {
            if (temp < 0)
            {
                System.out.println(Integer.toBinaryString(temp));
                temp = bitTest & (~flag);
                flag <<= 1;
            }
            else
            {
                System.out.println("Time is up.");
                localTimer.cancel();
            }
        }
    }

    public static void main(String[] args)
    {
        new TimerExample(1);
    }
}