Practice Benefits Of Immutability (23.7.1) - Java Memory Model and Thread Safety

Practice: Benefits of Immutability

Lesson 23.7.1Java Memory Model and Thread Safety

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8 questions

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6 sample questions

Question 1.
What does immutability mean in programming?
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Think about whether the object's state can change.
Question 2.
Provide an example of an immutable class in Java.
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Consider the structure of a Java class.
3Question 3.
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
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Think about the meaning of the prefix 'im-' in immutability.
4Question 4.
True or False: Immutable objects can have their properties modified after they are created.
- True
- False
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Reflect on the definition of immutability.
Question 5.
Design an immutable class for a Rectangle that includes width and height. Ensure all properties are final, and no setters are provided.
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Think about how to declare fields and constructor methods.
Question 6.
Assess the performance trade-offs of using immutable objects in a high-frequency trading application.
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Consider the frequency of updates that need to happen.

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