// A class to represent employees in general (20-page manual).
public class Employee {
    private int years;
    
    public Employee(int years) {
        this.years = years;
    }
    
    public int getHours() {
        return 40;           // works 40 hours / week
    }
    
    public double getSalary() {
        return 100000.0;      // $50,000.00 / year
    }
    
    public int getVacationDays() {
        return 10 + 2 * years;           // 2 weeks' paid vacation
    }

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