How Java uses custom annotations to bind event listeners to event sources
This article mainly introduces how Java uses custom annotations to bind event listeners to event sources. It has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.
The details are as follows:
A definition note
import java.lang.annotation.*; import java.awt.event.*;@ Target(ElementType.FIELD)@Retention(RetentionPolicy.RUNTIME)public @ ActionListenerFor{ //Defines a member variable for setting metadata//The listener member variable is used to hold the listener implementation class Class