Mastering Java Deque Interface and ArrayDeque Class: Unlocking Efficient Double-Ended Queue Solutions

The Deque interface, part of the java.util package, expands the Queue interface and represents a double-ended queue

The Deque interface permits components to be added and removed from both ends

The ArrayDeque class, which actualizes the Deque interface, gives a dynamic array-based usage of a double-ended queue

The ArrayDeque inside uses an array that can develop and shrink powerfully as components are added or removed

ArrayDeque isn’t thread-safe, which suggests in case it is accessed concurrently by different threads, external synchronization is required

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