4 - Object-Oriented Programming (OOP) in Java
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Practice Questions
Test your understanding with targeted questions
What is a class in Java?
💡 Hint: Think of a class as a template.
Define encapsulation.
💡 Hint: Consider how an ATM machine protects access to a bank account.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is encapsulation in OOP?
💡 Hint: Consider the ATM analogy.
True or False: A class can be considered a blueprint for creating objects in OOP.
💡 Hint: Think of how you create a house using a specific blueprint.
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Challenge Problems
Push your limits with advanced challenges
Create a class called 'Employee' with attributes such as name, id, and department. Implement a constructor, a method to display details, and demonstrate its usage in a main program.
💡 Hint: Ensure your main program creates an Employee instance and calls the display method.
Explain polymorphism in depth and create a simple program demonstrating both method overloading and method overriding.
💡 Hint: Implement both classes and invoke draw from both the Shape and Circle.
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Reference links
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