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

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Dive into the depths of Java with our quiz based on "Thinking in Java, Fourth Edition" by Bruce Eckel. Test your knowledge, solidify concepts, and prepare for certification with challenging questions and insightful feedback.

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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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In the expression 'j %= k;', given that j and k are integers, what does this operation do?

  1. Divides j by k and assigns the remainder to j

  2. Multiplies j and k and assigns the result to j

  3. Subtracts k from j and assigns the result to j

  4. Adds j and k and assigns the result to j

The correct answer is: Divides j by k and assigns the remainder to j

In this expression, the '%=' operator is known as the modulus operator. This operation returns the remainder of dividing j by k, and then assigns that value to j. Therefore, option A is the correct answer. Option B is incorrect because the multiplication operator is '*', not '%='. Option C is incorrect because the subtraction operator is '-', not '%='. Option D is incorrect because the addition operator is '+', not '%='.

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