What are the different types of collections in Java?
In Java, the main types of collections are List, Set, Map, and Queue. Each serves different purposes.
Can you explain the differences between List and Set?
Sure! A List allows duplicate elements and maintains insertion order, while a Set does not allow duplicates and does not guarantee order.
What about Maps? How do they fit into collections?
Maps store key-value pairs, where each key is unique. They are used for fast lookups based on keys.
Which collection would you recommend for storing unique items?
I would recommend using a Set, as it automatically handles uniqueness for you.
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