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

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Mastering Java: The Ultimate Quiz for 'Thinking in Java'. Dive deep into Java with multiple-choice questions. Challenge yourself with quiz questions designed to test and improve your understanding of the 'Thinking in Java' book. Get ready for your exam!

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How is the address of an object printed using the 'this' keyword inside its toString() method?

  1. Directly using this.toString()

  2. Using super.toString()

  3. By converting 'this' to a string

  4. By utilizing System.out.toString(this)

The correct answer is: Using super.toString()

B is the correct answer because using the 'super' keyword allows us to access the toString() method of the parent class, which outputs the object's address. Additionally, options A and C are incorrect because they do not utilize the 'super' keyword. Option D is incorrect because System.out.toString() is not a valid method and cannot be used with the 'this' keyword.

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