Creating class in Java.

class A
{
void show()
{
System.out.println("method of class A");
}
}


class B extends A
{
void show()
{
System.out.println("method of class b");
}
}


class C extends A
{
void show()
{
System.out.println("method of class c");
}
}
class MethodDispath
{
public static void main(String args[])
{
class A a=new A();
class B b=new B();
class A c=new C();
A aa;
aa=a;
aa.show();
aa.b;
aa.show();
aa=c;
aa.show();
}
}