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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does immutability mean in programming?
💡 Hint: Think about whether the object's state can change.
Question 2
Easy
Provide an example of an immutable class in Java.
💡 Hint: Consider the structure of a Java class.
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 is an immutable object?
- An object that can be modified after creation
- An object that cannot change once created
- An object that can hold multiple types
💡 Hint: Think about the meaning of the prefix 'im-' in immutability.
Question 2
True or False: Immutable objects can have their properties modified after they are created.
- True
- False
💡 Hint: Reflect on the definition of immutability.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an immutable class for a Rectangle that includes width and height. Ensure all properties are final, and no setters are provided.
💡 Hint: Think about how to declare fields and constructor methods.
Question 2
Assess the performance trade-offs of using immutable objects in a high-frequency trading application.
💡 Hint: Consider the frequency of updates that need to happen.
Challenge and get performance evaluation