📄 buttontest.java
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package test.annotation.coreTest;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ButtonTest
{
public static void main(String[] args)
{
ButtonFrame frame = new ButtonFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
/**
A frame with a button panel
*/
class ButtonFrame extends JFrame
{
public ButtonFrame()
{
setTitle("ButtonTest");
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
panel = new JPanel();
add(panel);
// create buttons
yellowButton = new JButton("Yellow");
blueButton = new JButton("Blue");
redButton = new JButton("Red");
// add buttons to panel
panel.add(yellowButton);
panel.add(blueButton);
panel.add(redButton);
ActionListenerInstaller.processAnnotations(this);
}
@ActionListenerFor(source="yellowButton")
public void yellowBackground()
{
panel.setBackground(Color.YELLOW);
}
@ActionListenerFor(source="blueButton")
public void blueBackground()
{
panel.setBackground(Color.BLUE);
}
@ActionListenerFor(source="redButton")
public void redBackground()
{
panel.setBackground(Color.RED);
}
public static final int DEFAULT_WIDTH = 300;
public static final int DEFAULT_HEIGHT = 200;
private JPanel panel;
private JButton yellowButton;
private JButton blueButton;
private JButton redButton;
}
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