Mastering Java: The Ultimate 2025 All-In-One Quiz to Excel in 'Thinking in Java

Question: 1 / 510

What are the characteristics of Mock Objects and Stubs mentioned in the text?

Both are used for debugging purposes only

Mock Objects are lightweight and self-testing, whereas Stubs are heavyweight and often reused

Mock Objects and Stubs are both techniques used for testing and debugging code, but they differ in terms of their characteristics. Option A is incorrect because while both are used for debugging purposes, this is not their only purpose. Option C is incorrect because while Stub methods usually return null, they can sometimes be programmed to return other values. Option D is incorrect because both Mock Objects and Stubs can simulate both successful and unsuccessful method calls. Option B is the correct answer because it accurately describes the main differences between Mock Objects and Stubs.

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Stub methods always return null, while Mock Objects can return real data

Mock Objects simulate exceptions, while Stubs simulate successful method calls

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