Can you explain what Java Collections are?
Java Collections are a framework that provides classes and interfaces for storing and manipulating groups of objects.
What are some common types of collections in Java?
Common types include List, Set, and Map, each serving different purposes for data storage.
How do Lists differ from Sets in Java?
Lists allow duplicate elements and maintain order, while Sets do not allow duplicates and are unordered.
Can you give an example of using a Map?
Sure! A Map stores key-value pairs, like a dictionary. For example, you can use it to store user IDs as keys and user names as values.
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