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

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Prepare for your Java exam with our ultimate quiz based on 'Thinking in Java'. Engage with expertly crafted questions that enhance your learning process. Perfect for Java enthusiasts looking to solidify their knowledge!

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 must be true for a type to be used with FilledList?

It must implement a specific interface
It must have a default constructor
It must override the equals method
It must be a final class

The correct answer is: It must have a default constructor

In order for a type to be used with FilledList, it must have a default constructor. This means that the class must have a no-argument constructor that is used to create objects of that class. Option A is incorrect because implementing a specific interface is not necessary for a type to be used with FilledList. Option C is incorrect because overriding the equals method is not a requirement for a type to be used with FilledList. Option D is incorrect because a class does not need to be declared as final in order to be used with FilledList. However, implementing a default constructor is necessary as it allows objects of that class to be initialized and used with FilledList.