Notes

import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JFrame;

public class CombinedCode {

public static void main(String[] args) {
java.util.Scanner scanner = new java.util.Scanner(System.in);
int option;

do {
System.out.println("Select an option:");
System.out.println("1. CommissionEmployee");
System.out.println("2. CommissionEmployeeTest");
System.out.println("3. BasePlusCommissionEmployee");
System.out.println("4. BasePlusCommissionEmployeeTest");
System.out.println("5. BasePlusCommissionEmployee (extends CommissionEmployee)");
System.out.println("6. CommissionEmployee (redefined)");
System.out.println("7. BasePlusCommissionEmployee (extends CommissionEmployee, redefined)");
System.out.println("8. LabelDemo");
System.out.println("9. Exit");
System.out.print("Enter your choice: ");
option = scanner.nextInt();

switch (option) {
case 1:
commissionEmployee();
break;
case 2:
commissionEmployeeTest();
break;
case 3:
basePlusCommissionEmployee();
break;
case 4:
basePlusCommissionEmployeeTest();
break;
case 5:
basePlusCommissionEmployeeExtended();
break;
case 6:
commissionEmployeeRedefined();
break;
case 7:
basePlusCommissionEmployeeRedefined();
break;
case 8:
labelDemo();
break;
case 9:
System.out.println("Exiting...");
break;
default:
System.out.println("Invalid option. Please select again.");
}
} while (option != 9);
}

private static void commissionEmployee() {
System.out.println("CommissionEmployee class code goes here...");
}

private static void commissionEmployeeTest() {
System.out.println("CommissionEmployeeTest class code goes here...");
}

private static void basePlusCommissionEmployee() {
System.out.println("BasePlusCommissionEmployee class code goes here...");
}

private static void basePlusCommissionEmployeeTest() {
System.out.println("BasePlusCommissionEmployeeTest class code goes here...");
}

private static void basePlusCommissionEmployeeExtended() {
System.out.println("BasePlusCommissionEmployee (extends CommissionEmployee) class code goes here...");
}

private static void commissionEmployeeRedefined() {
System.out.println("CommissionEmployee (redefined) class code goes here...");
}

private static void basePlusCommissionEmployeeRedefined() {
System.out.println("BasePlusCommissionEmployee (extends CommissionEmployee, redefined) class code goes here...");
}

private static void labelDemo() {
JLabel northLabel = new JLabel("North");
ImageIcon labelIcon = new ImageIcon("GUItip.gif");
JLabel centerLabel = new JLabel(labelIcon);
JLabel southLabel = new JLabel(labelIcon);
southLabel.setText("South");
JFrame application = new JFrame();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
application.add(northLabel, BorderLayout.NORTH);
application.add(centerLabel, BorderLayout.CENTER);
application.add(southLabel, BorderLayout.SOUTH);

application.setSize(300, 300);
application.setVisible(true);
}
}