// A class to represent employees in general (20-page manual).
public class Employee {
	private int years;
	
	public Employee(int yearsWorked) {
		years = yearsWorked;
	}
	
	// "getter" method so clients or subclasses
	// can see the value of a private field
	public int getYears() {
		return years;
	}

	public int getHours() {
		return 40;           // works 40 hours / week
	}
    
	public double getSalary() {
		return 40000.0;      // $40,000.00 / year
	}
    
	public int getVacationDays() {
		return 10 + getSeniorityBonus();           
	}
	
	// separating out the seniority bonus calculation from
	// the vacation day calculation means subclasses can 
	// override just this behavior (see Secretary)
	public int getSeniorityBonus() {
		return 2 * years;
	}

	public String getVacationForm() {
		return "yellow";     // use the yellow form
	}
}