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.

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 principle does hashing utilize to store and find keys quickly?

Sorting
Serializing
Random access
Indexing

The correct answer is: Indexing

Hashing does not use sorting because the order of the keys does not matter in a hash table. Serializing is a process that converts an object into a stream of bytes but it is not directly related to storing and finding keys quickly. Random access is a method of accessing specific elements in a collection but it is not specific to storing and finding keys. Indexing, however, is the process of organizing data to quickly find specific elements and is the principle utilized by hashing to store and find keys quickly.