Junior

What are the implementations of the List interface?

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Answer from AI

ArrayList: Based on a dynamic array. Well-suited for fast access by index and iteration. Slow to delete and insert in the middle.
LinkedList: Based on a doubly linked list. Well-suited for frequent insertions and deletions at the beginning or end. Slow index access.
Vector: An outdated, synchronized version of ArrayList. Not recommended for use in new code due to synchronization overhead.
Stack: Extends Vector and implements stack behavior (LIFO). Also not recommended; better to use ArrayDeque.
CopyOnWriteArrayList: A thread-safe implementation that creates a copy of the underlying array on each modification. Suitable for scenarios with many reads and few writes.
AbstractList, AbstractSequentialList: Abstract classes providing basic implementations of the List interface, from which specific implementations can inherit.