ITPEC FE Subject A April 2024 Question 36
ITPEC FE Subject A April 2024 — Question 36 of 60
Polymorphism in OOP — providing a single interface to entities of different types.
Polymorphism allows objects of different classes to be treated through the same interface, with each class providing its own implementation.
Example: a method draw() can behave differently for Circle, Square, and Triangle objects.
Why not others:
- (a) Inheritance — reusing existing classes as a basis for new ones
- (b) Abstraction — focusing on important dimensions, hiding nonessential details
- (c) Encapsulation — combining data and processes into a single object
Key rule: The four pillars of OOP are Encapsulation, Abstraction, Inheritance, and Polymorphism. Each answer maps to exactly one pillar.
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