Java timed task timer and TimerTask usage details
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Android
Timer and TimerTask are the JDK's own timing task implementations, and there is no need to import a third-party jar package to complete them
1. Specify how long the task will be executed. Note: it will only be executed once
2. Execute the task at the specified time
3. Executes a scheduled task in a cycle at a specified interval after a specified delay
Here, the timing task implementation class has been completed. If it is a web project, you need to configure startup in web.xml
The configuration is complete.
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