ButtonExample.java Uses the following

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# ButtonExample.java Uses the following classes:

    * CloseableFrame.java
    * FgReporter.java
    * BgReporter.java
    * SizeReporter.java
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ButtonExample.java 
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import java.awt.*;
import java.awt.event.*;

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public class ButtonExample extends CloseableFrame {
  public static void main(String[] args) {
    new ButtonExample();
  }

  public ButtonExample() {
    super("Using ActionListeners");
    setLayout(new FlowLayout());
    Button b1 = new Button("Button 1");
    Button b2 = new Button("Button 2");
    Button b3 = new Button("Button 3");
    b1.setBackground(Color.lightGray);
    b2.setBackground(Color.gray);
    b3.setBackground(Color.darkGray);
    FgReporter fgReporter = new FgReporter();
    BgReporter bgReporter = new BgReporter();
    SizeReporter sizeReporter = new SizeReporter();
    b1.addActionListener(fgReporter);
    b2.addActionListener(fgReporter);
    b2.addActionListener(bgReporter);
    b3.addActionListener(fgReporter);
    b3.addActionListener(bgReporter);
    b3.addActionListener(sizeReporter);
    add(b1);
    add(b2);
    add(b3);
    setSize(350, 100);
    setVisible(true);
  }
}
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FgReporter.java
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import java.awt.event.*;
import java.awt.*;

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public class FgReporter implements ActionListener {
  public void actionPerformed(ActionEvent event) {
    Component c = (Component)event.getSource();
    System.out.println("Foreground: " + c.getForeground());
  }
}
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BgReporter.java
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import java.awt.event.*;
import java.awt.*;

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public class BgReporter implements ActionListener {
  public void actionPerformed(ActionEvent event) {
    Component c = (Component)event.getSource();
    System.out.println("Background: " + c.getBackground());
  }
}
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SizeReporter.java
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import java.awt.event.*;
import java.awt.*;

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public class SizeReporter implements ActionListener {
  public void actionPerformed(ActionEvent event) {
    Component c = (Component)event.getSource();
    Dimension d = c.getSize();
    System.out.println("Size: " + d.width + "x" + d.height);
  }
}
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