Distinguish between correct and incorrect overrides of corresponding hashCode and equals methods, and explain the difference between == and the equals method.

Distinguish between correct and incorrect overrides of corresponding hashCode and equals methods, and explain the difference between == and the equals method.
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Distinguish between correct and incorrect overrides of corresponding `hashCode` and `equals` methods, and explain the difference between `==` and the `equals` method.

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Chapter 6. Collections / Generics	Home	Write code that uses the generic versions of the Collections API, in particular, the Set<E>, List<E>, Queue<E> and Map <K,V> interfaces and implementation classes. Recognize the limitations of the non-generic Collections API and how to refactor code to use the generic versions.