Practice Introduction To Object-oriented Programming Using Java (4) - Introduction to Object-Oriented Programming using Java

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9 questions

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6 sample questions

Question 1.
Define an object in OOP.
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Think of a real-world entity.
Question 2.
What is encapsulation?
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Consider data hiding in programming.
3Question 3.
What is the primary purpose of using classes in OOP?
- To store data only
- To define object functionality
- To simplify coding
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Consider what a class inherently offers.
4Question 4.
True or False: Inheritance allows multiple classes to have a direct relationship without a common superclass.
- True
- False
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Reflect on how classes relate to one another.
Question 5.
Create a class hierarchy for a Shape class with subclasses Circle and Rectangle. Implement methods to calculate area in each subclass.
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Think about what properties each shape has.
Question 6.
Design a banking system that uses abstraction for account types. Create classes for SavingsAccount and CheckingAccount that implement a base Account class.
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Consider common features and specialized functionalities.

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