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Teach Yourself Java in 21 Days, Eighth Edition

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Day 3: Working with Objects

Certification Practice

Each chapter of the book ends with a Certification Practice question that's comparable to what you could expect to be asked on a Java certification test. Here's the answer for chapter 3:

Answer (c) is correct. There are two variables named i in the AyeAye class: an instance variable that has an initial value of 40 and a variable defined inside the setMethod() class that has an initial value of 20. The latter is used to set the value of the j variable in the statement i = j + 1.

Answers (a), (b), and (d) are incorrect.

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