Stack (Implementation)
Explore how to implement a stack data structure in Java by constructing a class with essential methods like push, pop, isEmpty, and top. Understand the use of arrays and linked lists for stack storage and how these operations maintain efficient constant time complexity, preparing you for practical coding interviews.
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Introduction
Every programming language comes with the basic functionality of Stack. In Java, you can use the pre-built class of Stack by importing it to your program. However, you can manually implement a stack and extend its functionality for your use.
Stacks can either be implemented using arrays or linked lists. It has yet to be concluded which implementation is more efficient, as both data structures offer different variations of Stack. However, stacks are generally implemented using arrays because it takes less space; we don’t ...