Lecture 08: Implementing Stack in Browser History Case Study

In this Data Structures and Algorithms – Lab lecture 08, we introduce the Stack data structure and demonstrate how it can be implemented using a LinkedList, through a practical browser history case study.

This lecture focuses on understanding the Last In, First Out (LIFO) principle and how stacks are used in real-world applications such as browser navigation. Students will learn how stack operations map directly to linked list operations, resulting in an efficient and elegant implementation.

The session covers the following key topics:
1- Understanding the Stack data structure and the LIFO principle.
2- Implementing a Stack interface in Java.
3- Building a Stack using a custom LinkedList implementation.
4- Mapping stack operations:
push() → add element to the front of the linked list
pop() → remove element from the front
top() → access the first element

5- Using Stack to simulate browser history navigation.
6- Understanding why LinkedList is efficient for Stack operations.
7- Applying Stack concepts in real-world scenarios.

These concepts are essential for building real-world Java programs such as:
Browser navigation systems (Back button).
Undo/Redo operations.
Expression evaluation and parsing.

Function call management and recursion support.

💻 Full code from this lecture:
https://github.com/othman-shbeir/CSCI...

📌 This lecture is designed specifically for Data Structures and Algorithms – Lab students, with step-by-step explanations, clear data-structure mapping, and beginner-friendly examples.

👉 Don’t forget to like, subscribe, and share if this lecture helped you understand how Stack works in Java using LinkedList!

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