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Basic Requirements For Polymorphism Quiz

In computer programming, polymorphism is the provision of a single interface to entities of different types. Trust me, only tech nerds can get this language. If you are one, test your knowledge of the basic requirements for...

Questions: 20 | Attempts: 229 | Last updated: Mar 21, 2023

Sample Question 1
What is allowed within class definition? (T/F)

Typing with LIKE to ABAP Dictionary types.

The definition of Internal Tables with header lines.

The TABLES statement.

The definition of Internal Tables without header lines.

Typing with TYPE to ABAP Dictionary types.

Sample Question 2
Which techniques are basic requirements for polymorphism? (T/F)

Narrowing Cast.

Redefinition of methods (for polymorphism through inheritance).

Widening Cast.

Implementation of methods of an insterface in the respective classes (for polymorphism through inheritance).

Sample Question 3
Which of the following statements about interfaces are correct? (T/F)

Interfaces actually stand for an interface (protocol) between a client (interface user) and a server (implementing class).

Interfaces are used to call static components of a class.

Using interface references you can reference all the public components of an object that have been defined in the corresponding interface-implementing class.

A client (caller) can use inteface reference to access all methods of the Interfaces and thus archive polymorphism behavior.

Using interfaces you can simulate multiples inheritance.