不重启服务器的情况下，修改定时执行任务的执行时间
import java.text.SimpleDateFormat;
import java.util.Timer;
import java.util.TimerTask;
public class MutilTimer
{
?//定时器
?private static Timer timer = new Timer();
?
?private static final long confirmTime = 5*1000;
?
?//类变量
?private static MutilTimer multilTimer = new MutilTimer();
?
?private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
?public static void main(String[] args)
?{
??multilTimer.init();
?}
?
?private static long wait = 3000l;
?private void init()
?{
??long repeatedWait = wait + confirmTime;
??
??timer.schedule(new TimerTask() {
???@Override
???public void run() {
????exec();
???}
??},wait);
??
??timer.schedule(new TimerTask() {
???@Override
???public void run() {
????wait += 1000l;
????init();
???}
??},repeatedWait);
?}
?
?private void exec()
?{
??System.out.println("hello, runTime is " + sdf.format(System.currentTimeMillis()));
?}
?
}
