Down Casting Program

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 ab9
{
    public static void main(String args[])
    {
        A a=new B();
        a.show();
        a.disp();
        
        B b=(B)a;
        b.show();
        b.disp();
        b.add();
    
    }
}

welcome
This is abstract disp Method

welcome
This is abstract disp Method
This is B class Add Method

Abstract Keyword In Java

More Questions

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Down Casting Program