java调度一个小程序,从ScheduledExecutorService开始
我有一个简单的时钟小程序,我希望能够通过ScheduledExecutorService控制它,但是我有点不确定如何使线程从ScheduledExecutorService开始。调度命令
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
public class UpdateApplet extends java.applet.Applet implements Runnable
{
ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
Thread thread;
boolean running;
int updateInterval = 1000;
final Runnable clock = new Runnable(){//Can't take credit for this, thnx KH
public void run(){
while(true)
repaint();
}
};
public void run( ){
scheduler.schedule(clock, 10, TimeUnit.SECONDS);//edited this here
}
public void start( ){
System.out.println("starting...");
if ( !running) //naive approach
{
running = true;
thread = new Thread(this);
thread.start( );
}
}
public void stop( ){
System.out.println("stopping...");
thread.interrupt( );
running = false;
}
}
public class Clock extends UpdateApplet{
public void paint(java.awt.Graphics g){
g.drawString(new java.util.Date( ).toString( ), 10, 25);
}
}
我相信这是一个简单的解决办法,但我就是看不到。任何帮助都将不胜感激
# 1 楼答案
您需要使用scheduleAtFixedRate。同样,您不需要在run方法中使用线程