Employee.java

public abstract class Employee {

    // Minimum pay rate
    private static final double MIN_PAY_RATE = 12.00;

    private String employeeID;
    private String firstName;
    private String lastName;
    protected double payRate;
    protected String title;

    public Employee(String employeeID, String firstName, String lastName, double payRate) {
        this.employeeID = employeeID;
        this.firstName = firstName;
        this.lastName = lastName;
        this.payRate = payRate;
    }

    public String getEmployeeID() {
        return employeeID;
    }

    public void setEmployeeID(String employeeID) {
        this.employeeID = employeeID;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getTitle() {
        return title;
    }

    public abstract void setTitle();

    public double getPayRate() {
        return payRate;
    }

    public abstract void setPayRate();
}