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How can I find out which button was clicked?

开发者 https://www.devze.com 2023-04-06 09:56 出处:网络
I\'ve got my buttons working right, and I\'m a listener to each button like this: for(int i = 0; i <= 25; ++i) {

I've got my buttons working right, and I'm a listener to each button like this:

for(int i = 0; i <= 25; ++i) {
    buttons[i] = new Button(Character.toString(letters[i]));
    buttons[i].addActionListener(actionListener);
    panel1.add(buttons[i]);
}

开发者_开发技巧Here as you can see the listener is called, and I want to find out which button I'm clicking. Is there a way to do that?

ActionListener actionListener = new ActionListener() {
    public void actionPerformed(ActionEvent actionEvent) {
        System.out.println(actionEvent.getSource());
    }
};

I need some way to find the button in the array.


try this

ActionListener actionListener = new ActionListener() {
    public void actionPerformed(ActionEvent actionEvent) {
        System.out.println(actionEvent.getActionCommand());
    }
};


In order to get label, try this.

ActionListener actionListener = new ActionListener()
{
      public void actionPerformed(ActionEvent actionEvent) {
            JButton button = (JButton)actionEvent.getSource();
            String label = button.getLabel(); //Deprecated 

            String label2 = button.getText();
     }
};


ActionEvent has a method getActionCommand() that will get a JButton's actionCommand String. This is usually it's text as well (for JButtons).


private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
    l1.setText("");//name of level what you want

    t1.setText(null);//text field what you want 

    t2.setText(null);//text field what you want
}
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