OOP: Books

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In this task, we will create books written by the earthly authors Mark Twain and Agatha Christie. Using the MarkTwainBook and AgathaChristieBook classes, naturally, which inherit Book. You need to implement all the abstract methods in these classes. And in the parent class, implement the getOutputByBookType method.

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Amo programmare

Level 29 , Italy

Expert

14 February, 12:35

This task really helps to understand constuctors and their order when using class inhertiance.

Олег Байбула

Level 32 , Ukraine

Expert

14 January, 05:26

Good task, but it was easy for me.

LuisRC

Level 39 , Gijón, Spain

14 February 2022, 16:16

Really a tough task to me. It took to me two days of reading and debugging to see what happened inside. A really nice task to learn about "this", "super" and OOP. 👍

Jurij Thmsn

Level 29 , Flensburg, Germany

4 March 2021, 13:59

really nice task. It helped me to understand "this" and inheritance much better!

BlueJavaBanana

Level 37

6 May 2020, 15:59

It should be noted that your constructor for the Mark Twain and the Agatha Christie classes should invoke the parent class constructor e.g. super("Mark Twain") and also initialize the title for the child class e.g. this.title = parameter. This really isn't clear in the description.

Andrei

Level 41

4 December 2020, 12:39

Yes, very true!

IVAN

Level 17 , Milan, Italy

5 February 2020, 03:27

Please, can Someone Help me!?

Roman

Level 41

5 February 2020, 08:14

Please refer to Help section at our course.