Abstract Practice Program 4

Program

abstract class A
{
    abstract void show();
    void disp()
    {
        System.out.println("This is abstract disp Method");
    }
}
class B extends A
{
    void show()
    {
        System.out.println("welcome");
    }
    void add()
    {
        System.out.println("This is B class Add Method");
    }
}
class C extends A
{
    void show()
    {
        System.out.println("java");
    }
}
public class Main
{
    public static void main(String arhs[])
    {
        B b=new B();
        b.show();
        b.disp();
        b.add();
    }
}

welcome
This is abstract disp Method
This is B class Add Method
Note:
By using child class object we can call abstract class methods and normal class methods

Abstract In Java

More Questions

141 . Abstract Practice Program 3
142 . Abstract Practice Program 4
143 . Abstract Practice Program 5
144 . Down Casting Program
145 . Write a Java-program using super.(dot)
146 . Write a Java-program with out using super() no parameterized
147 . Write a Java-program with out using super() with parameterized
148 . Write a Java-program with using polymorphism
149 . Write a Java-program using static method overloading
150 . Write a Java-program using dynamic method overloading
151 . Write a Java-program using Constructor overloading

Abstract Practice Program 4