java 将动作侦听器添加到 netbeans 中的按钮

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时间:2020-10-31 21:10:23  来源:igfitidea点击:

adding action listener to a button in netbeans

javaswingnetbeansjbuttonactionlistener

提问by Hitesh

How to add an action listener to a button in netbeans

如何将动作侦听器添加到 netbeans 中的按钮

I tried to do that, but I don't know how

我试图这样做,但我不知道如何

button.addactionlistener(null);

回答by Abdelrahman Wahdan

First you need to implement action listener in your class.

首先,您需要在类中实现动作侦听器。

public class YourProject extends JFrame implements ActionListener{
yourbutton.addActionListener(this);

The you need to add the override method.

您需要添加覆盖方法。

I hope this helps you.

我希望这可以帮助你。

回答by Hitesh

YOu can also add by another way

你也可以通过其他方式添加

JButton jb= new JButton("ok");

jb.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent ae)
      {System.out.println("You have clicked ok button");
    }
});