Saturday, 28 October 2017

Abstract Class With Appropriate Example

Abstract Class

→ Abstract is a keyword to declare an abstract class.

→ The abstract methods must be in abstract class.

→ We can't create an object of abstract class.

→ All base class are the abstract class.

→ No object can be created of abstract.

→  The Abstract class must be inherited.

→ The abstract class must be extended by at least one subclass.

→ All abstract method must be overridden.


Example of abstract class

abstract class A{} 

Example abstract method

abstract void printStatus(); 

Example :

abstract class Hi

     abstract void run();
class Hello extends hi

     void run()

     public static void main(String args[])

            Hi obj = new Hi();

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