4.2.1 - What is a Class?
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a class in Java?
💡 Hint: Think about how you can define properties and behaviors.
Write a simple class called Dog with a method that prints its name.
💡 Hint: What properties and methods can a dog have?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a class in Java?
💡 Hint: Think of a class like a plan or design.
An object is an instance of a class. True or False?
💡 Hint: Recall what an object represents in relation to its class.
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Challenge Problems
Push your limits with advanced challenges
Create a class Employee with attributes employeeId, name, and department. Include a constructor and a method to display the employee details. How would you instantiate this class?
💡 Hint: Make sure to initialize all attributes in the constructor.
Discuss the implications of using access modifiers in your class design. Provide an example of a class with private fields and public methods.
💡 Hint: Consider how you would protect important data.
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