Mastering Java: The Ultimate Quiz for 'Thinking in Java'

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Want to excel in Java? Test your knowledge with our ultimate quiz based on 'Thinking in Java'. Engage with multiple-choice questions and in-depth explanations. Boost your understanding and prepare for your exam with confidence.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What does the unary minus operator do?

Negates a boolean
Inverts the sign of the data
Increments the value
Nothing

The correct answer is: Inverts the sign of the data

The unary minus operator, represented by the "-" symbol, changes the sign of the data it is applied to. It does this by multiplying the value by -1. This operation is commonly used in algebra to simplify equations and in programming to manipulate numerical values. The other options, such as A Negates a boolean and C: Increments the value, do not accurately describe the purpose of the unary minus operator. Option A refers to the logical "not" operation, which is not related to this question. Option C refers to the increment operator, which increases the value by 1, not changing its sign. Option D states that the operator does nothing, which is incorrect as it does have a defined purpose.