интерфейсы

public interface Employee {
    
    String name = null;
    double salary = 0;
    int year = 0;
    public double raiseSalary(double percent);
}
class Engineer implements Employee{
    private String name;
    private double salary;
    private int year;
    
    public Engineer(String n,double s, int y){
        name = n;
        salary = s;
        year = y;
    }
    public String getName() {
        return name;
    }
    public double getSalary() {
        return salary;
    }
    public int getYear() {
        return year;
    }
    @Override
    public double raiseSalary(double percent) {
        return salary+=(salary*percent);
    }
    public String toString(){
        return getName() + " " + getSalary() + " " + getYear();
    }
class Meneger implements Employee{
    private double bonus;
    
    public Meneger(String n, double s, int y, double b) {
        bonus = b;
    }
    public double getBonus() {
        return bonus;
    }
    public void setBonus(double bonus) {
        this.bonus = bonus;
    }
    @Override
    public double raiseSalary(double percent) {
        // TODO Auto-generated method stub
        return salary + bonus + (salary*percent);
    }
    public String toString(){
        return getName() + " " + getSalary() + " " + getYear() +" "+ getBonus();
    
}
}
}