example:1:abstrac claaa

 abstract class Honda {

   

    public abstract void Hondacar();

    public void model() {

        System.out.println("bolaro");

    }

}

//sub class inherit from honda

class Car extends Honda {

    public void Hondacar() {

        System.out.println("Honda say:my car is best");

    }

}

class firstprogramm {

    public static void main(String[] args) {

        Car myCar = new Car(); // Create a car object

        myCar.Hondacar();

        myCar.model();

    }

}