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Java Immutable Queue

Immutable Stack and Queue implementation in Java Programming Language. A Stack is a Last In First Out (LIFO) data structure. It supports t...

Immutable Stack and Queue implementation in Java Programming Language.

A Stack is a Last In First Out (LIFO) data structure. It supports two basic operations called push and pop. The push operation adds an element at the top of the stack, and the pop operation removes an element from the top of the stack.

Example stack of integers: 1, 2, 3. If we push these integers in order, we will get:

1
2
3
Invoking pop will return 1 or the last element entered.

A Queue is a First In First Out (FIFO) data structure. It supports two basic operations called enQueue and deQueue. The enQueue operation adds an element at the beginning of the queue, and the deQueue operation removes an element from the end of the queue.

Example queue of integers: 1, 2, 3. If we queue these integers in order, we will get:

1 -> 2 -> 3
Invoking deQueue will return 3 or the first element entered.

This project contains tests for both stack and queue.

To run the test execute:

mvn test

Source code available at: https://github.com/czetsuya/Java-Immutable-Stack-and-Queue

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