4.2 - Classes and Objects
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Practice Questions
Test your understanding with targeted questions
What is a class in Java?
💡 Hint: Think of it as a template.
What does an object represent?
💡 Hint: Consider it as an instance of the class.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary role of a class in Java?
💡 Hint: Think about classes as templates.
True or False: An object can hold values and represent real-world entities.
💡 Hint: Consider the definition of objects.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a class Animal with properties such as name and age, and a method speak(). Create two objects of this class and demonstrate their use.
💡 Hint: Think about how each animal can have different names and ages while using the same `speak()` method.
Modify the above Animal class to include inheritance where Dog and Cat can inherit from it. Show polymorphism in action by overriding the speak() method.
💡 Hint: Consider how to call the `speak()` method for both a `Dog` and a `Cat` object to demonstrate different outputs.
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