Abstraction

Abstraction

Normally abstract means eliminate, here show only the necessary details and hide other details. abstract also is a keyword in java.
Eg:- In this picture, we can access the iPhone but we didn't know about the inside functions , circuit  and other things. like wise in the abstract concept it's show the appropriate details and hide the inappropriate details.



Example code for the Abstraction Code

    abstract class MobilePhone

    {

        public void Calling();

        public void SendSMS();

    }

    public class Nokia1400 : MobilePhone

    {

    }

    public class Nokia2700 : MobilePhone

    {

        public void FMRadio();

        public void MP3();

        public void Camera();

    }

    public class BlackBerry : MobilePhone

    {

        public void FMRadio();

        public void MP3();

        public void Camera();

        public void Recording();

        public void ReadAndSendEmails();

    }