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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What does the this keyword represent?

  1. The current class instance

  2. The superclass instance

  3. A static method

  4. A sibling instance

The correct answer is: The current class instance

The 'this' keyword in Java refers to the current class instance. This is often used to refer to the fields and methods of the current object. Option B is incorrect because the superclass instance is accessed using the 'super' keyword. Option C is incorrect because static methods do not have an associated object and therefore cannot use 'this'. Option D is incorrect because siblings are objects that are created from the same class, but they represent different instances, so 'this' would not refer to a sibling instance.

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