Practice Encapsulation - 4.4 | Chapter 4: Object-Oriented Programming (OOP) in Java | JAVA Foundation Course
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4.4 - Encapsulation

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is encapsulation in Java?

💡 Hint: Think about what keeps your account's balance safe from direct changes.

Question 2

Easy

Name one access modifier in Java.

💡 Hint: It restricts the visibility of class members.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does encapsulation primarily achieve in programming?

  • Makes data public
  • Hides data and controls access
  • Increases code complexity

💡 Hint: Remember the concept of data protection and access regulation.

Question 2

True or False: Encapsulation allows direct access to private members outside the class.

  • True
  • False

💡 Hint: Consider the rules of private access.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a BankAccount class that encapsulates the balance and provides methods for deposits and withdrawals, ensuring that withdrawals do not exceed the balance.

💡 Hint: Focus on restricting access and ensuring logical conditions are met during transactions.

Question 2

Reflect on a situation in which a public variable might cause data integrity issues. How would encapsulation prevent such issues? Explain your reasoning.

💡 Hint: Think about scenarios in banking, gaming, or other applications where state consistency is crucial.

Challenge and get performance evaluation