task 2 inheritance presentation

public class Main {

    public static void main(String[] args) {
        Employee programmer=new Employee("tony",25000);
        Employee secretry=new Employee("bridget",10000);
        Programmer tony=new Programmer("tony",25000);
        Secretry bridget=new Secretry("bridget",10000,90);
        System.out.println(bridget.toString());
        bridget.calcBonus();
        System.out.println(bridget.toString());
        System.out.println(tony.toString());
        tony.calcBonus();
        System.out.println(tony.toString());
    }
}

public class Programmer extends Employee {
    private int newSalary;
    @Override
    public String toString() {
        if(salary==newSalary) {
            return "Programmer: " + super.toString();
        }else if(salary!=newSalary){
           return "Programmer:"+" Employee name: " + super.name +" serial number: "+super.serialNumber+" new salary: " +newSalary ;
        }
        return toString();
    }

    public Programmer(String name, int salary) {
        super(name, salary);
        newSalary=salary;
    }
    public int calcBonus(){
       int bonus=salary+salary/2-salary;
        newSalary=salary+bonus;
        return newSalary;
    }
}
public class Secretry extends Employee {
    private int NumOfWordsPerSecond;
    private int newSalary;

    @Override
    public String toString() {
        if (newSalary == salary) {
            return "Secretry:" + " average words typed: " + NumOfWordsPerSecond + "  " + super.toString();
        } else if (newSalary!= salary) {
            return "Secretry: average words typed: " + NumOfWordsPerSecond + " Employee name: " + super.name +" serial number: "+super.serialNumber+" new salary: " +newSalary ;
        }
        return toString();
    }
    public int calcBonus(){
        int bonus=500;
         newSalary=salary+bonus;
        return newSalary;
    }

    public Secretry(String name, int salary, int numOfWordsPerSecond) {
        super(name, salary);
        newSalary=salary;
        this.NumOfWordsPerSecond = numOfWordsPerSecond;

    }

}