23.7.1 - Benefits of Immutability
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Practice Questions
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What does immutability mean in programming?
💡 Hint: Think about whether the object's state can change.
Provide an example of an immutable class in Java.
💡 Hint: Consider the structure of a Java class.
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Interactive Quizzes
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What is an immutable object?
💡 Hint: Think about the meaning of the prefix 'im-' in immutability.
True or False: Immutable objects can have their properties modified after they are created.
💡 Hint: Reflect on the definition of immutability.
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Challenge Problems
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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.
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.
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