5.14 - Best Practices with Objects
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Practice Questions
Test your understanding with targeted questions
What is the purpose of a constructor in Java?
💡 Hint: Think of the constructor as a setup tool for an object.
Why should we use access modifiers?
💡 Hint: Access modifiers help in protecting data.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of a constructor in Java?
💡 Hint: Think about when the constructor is called.
True or False: Encapsulation allows direct access to class attributes through public access.
💡 Hint: Remember how encapsulation is used to protect data.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Create a Java class named 'Book' with attributes for title and author. Include a constructor for initialization and implement getter and setter methods. Additionally, demonstrate how garbage collection works by creating and nullifying a 'Book' object.
💡 Hint: Remember to nullify the object to allow garbage collection.
Discuss the benefits of encapsulation with examples, especially focusing on security and maintainability. Create a simple class 'User' with private fields and expose them via getters and setters.
💡 Hint: How does encapsulation prevent direct access to sensitive information?
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