import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;

/**
 * Base class for our 2 control panels
 */
public abstract class ControlPanel extends JPanel { //*2 Abstract by choice
    public ControlPanel () {
	// Settings
	setLayout (new FlowLayout()); //*1 Common features of our subclasses
	setBorder (new LineBorder(Color.BLUE)); //*1
    }
}