Mastering Java: The Ultimate 2026 All-In-One Quiz to Excel in 'Thinking in Java

Question: 1 / 510

In context of concurrency, what does 'volatile' keyword signify for a variable?

The variable can change spontaneously

The value of the variable will never change

The variable is shared across multiple threads

In the context of concurrency, 'volatile' is used to indicate that a variable may be accessed and modified by multiple threads at the same time. This means that the value of the variable may change unpredictably due to concurrent operations, and the compiler should not make any assumptions about its value. Option A is incorrect because 'volatile' does not necessarily mean the variable will change spontaneously, but rather that it can be accessed and modified by multiple threads at any time. Option B is also incorrect because the value of a volatile variable can indeed change. Option D, 'None of the above', is incorrect because option C is the correct answer.

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None of the above

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