📌  相关文章
📜  Java.util.Timer类

📅  最后修改于: 2020-11-14 06:25:21             🧑  作者: Mango

介绍

java.util.Timer类为线程提供了便利，可用于安排任务以供将来在后台线程中执行。

  • 此类是线程安全的，即，多个线程可以共享一个Timer对象，而无需外部同步。

  • 此类计划任务一次执行或定期执行重复执行。

  • 所有构造函数都启动一个计时器线程。

类声明

以下是java.util.Timer类的声明-

public class Timer
   extends Object

类的构造函数

Sr.No. Constructor & Description
1

Timer()

This constructor creates a new timer.
2

Timer(boolean isDaemon)

This constructor creates a new timer whose associated thread may be specified to run as a daemon.
3

Timer(String name)

This constructor creates a new timer whose associated thread has the specified name.
4

Timer(String name, boolean isDaemon)

This constructor creates a new timer whose associated thread has the specified name, and may be specified to run as a daemon.

类方法

Sr.No. Method & Description
1 void cancel()

This method terminates this timer, discarding any currently scheduled tasks.
2 int purge()

This method removes all cancelled tasks from this timer’s task queue.
3 void schedule(TimerTask task, Date time)

This method schedules the specified task for execution at the specified time.
4 void schedule(TimerTask task, Date firstTime, long period)

This method schedules the specified task for repeated fixed-delay execution, beginning at the specified time.
5 void schedule(TimerTask task, long delay)

This method schedules the specified task for execution after the specified delay.
6 void schedule(TimerTask task, long delay, long period)

This method schedules the specified task for repeated fixed-delay execution, beginning after the specified delay.
7 void scheduleAtFixedRate(TimerTask task, Date firstTime, long period)

This method schedules the specified task for repeated fixed-rate execution, beginning at the specified time.
8 void scheduleAtFixedRate(TimerTask task, long delay, long period)

This method Schedules the specified task for repeated fixed-rate execution, beginning after the specified delay.

方法继承

此类从以下类继承方法-

  • java.util.Object