Junior — Middle
What are the main interfaces implemented in the Java Collection Framework?
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Answer from AI
The main interfaces of the Java Collection Framework include:
- Collection — the basic interface for all collections except Map.
- List — an ordered list of elements with the possibility of duplicates (e.g., ArrayList, LinkedList).
- Set — a collection of unique elements without a specific order (e.g., HashSet, TreeSet).
- Queue — a collection for storing elements in processing order (e.g., LinkedList, PriorityQueue).
- Deque — a double-ended queue supporting insertion and removal from both ends.
- Map — a key-value mapping where keys are unique (e.g., HashMap, TreeMap).
Each of these interfaces defines a set of methods for working with the respective data structures.