Practice Four Pillars Of Oop (11.2) - Object-Oriented Programming Concepts

Practice: Four Pillars of OOP

Lesson 11.2Object-Oriented Programming Concepts

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11 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
5 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define encapsulation in your own words.
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Think of it like a protective case for your data.
Question 2.
What is inheritance?
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Consider how children inherit traits from parents.
3Question 3.
What does encapsulation refer to?
- a) The ability to inherit from multiple classes
- b) Hiding data and providing a controlled interface
- c) The process of creating abstract classes
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Think about how you keep your personal data safe.
4Question 4.
Is inheritance a key feature of OOP?
- True
- False
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Consider how family traits pass down through generations.
Question 5.
Create a Java program that includes a base class Vehicle with properties like make and model. Extend this class with subclasses for Car and Bike, demonstrating encapsulation, inheritance, and polymorphism.
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Think about how vehicles are similar yet have distinct features.
Question 6.
Illustrate the use of all four pillars by designing a small application for an employee management system, where you define an abstract class Employee, and derive classes like FullTimeEmployee and PartTimeEmployee.
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Consider how different employment types affect salary calculations.

7 more questions in this section. Enroll free to practise them all.