abstraction Asigment

package abstraction;

public class abstractDemo
{
    public static void main(String[] args)
    {
        Emp e = new Programmer();
        e.description();
        e.salary();

        e = new TesterEmp();
        e.description();
        e.salary();
    }
}

// OUTPUT

//It is a Programmer
//Salary of Programmer 25000
//It is an employee
//work as a Tester
//Salary of Tester 35000

package abstraction;

abstract class Emp // no object can be generated of abstract class
{
    public void description()
    {
        System.out.println("It is an employee");
    }

    abstract void salary(); // abstract function no body
}

class Programmer extends Emp
{
    @Override
    public void description() // override description method
    {
        System.out.println("It is a Programmer");
    }

    @Override
    void salary() // the salary must be define in the child class
    {
        System.out.println("Salary of Programmer 25000");

    }
}

class TesterEmp extends Emp
{
    public void description() // override description method
    {
        super.description(); // call description of parent class
        System.out.println("work as a Tester");
    }

    @Override
    void salary()  // the salary must be define in the child class
    {
        System.out.println("Salary of Tester 35000  ");

    }
}