https://github.com/hashimsaffarini/data_structures_course

Complete Java Data Structures course with custom implementations, problem-solving, and clean examples. Perfect for students and self-learners.
https://github.com/hashimsaffarini/data_structures_course

data-structures java oop problem-solving

Last synced: 3 months ago
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Complete Java Data Structures course with custom implementations, problem-solving, and clean examples. Perfect for students and self-learners.

• Host: GitHub
• URL: https://github.com/hashimsaffarini/data_structures_course
• Owner: hashimsaffarini
• Created: 2025-07-09T18:47:01.000Z (3 months ago)
• Default Branch: main
• Last Pushed: 2025-07-19T10:58:46.000Z (3 months ago)
• Last Synced: 2025-07-19T15:50:48.045Z (3 months ago)
• Topics: data-structures, java, oop, problem-solving
• Language: Java
• Homepage:
• Size: 8.79 KB
• Stars: 10
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# 📘 Java Data Structures Course

Welcome to the official repository for the **Java Data Structures Course** – a full hands-on journey into the world of data structures using Java 💻.

This course is designed to **build strong foundations** in data structures through clear explanations, real-world examples, and implementation from scratch. Whether you're a student preparing for university exams, interviews, or just want to master your skills — this is for you!

---

## 🧠 What You’ll Learn

- 📦 ArrayList – dynamic arrays and internal logic

- 🔗 LinkedList – singly and doubly linked lists

- 🧱 Stack – LIFO behavior with use cases

- 📬 Queue – FIFO, circular queues, and variations

- 🧮 Recursion – single, double, and backtracking

- 🗃️ HashMap & HashSet – hashing fundamentals

- 🌲 Trees – binary trees, traversals, and BSTs

- 🕸️ Graphs – adjacency list, BFS, DFS, and basic pathfinding

- 🧩 Problem Solving – multiple coding problems for each structure

> 🔧 Each data structure includes:  

> - Full Java implementation from scratch  

> - A `main` class for quick testing  

> - A `Problems` class for common coding exercises  

---

## 📁 Project Structure

```bash

📦 data_structures_course/

│

├── 📁 arraylist/         # Implementations + Problems for ArrayList

├── 📁 linkedlist/        # Singly/Doubly Linked List + Practice

├── 📁 stack/             # Stack logic + common problems

├── 📁 queue/             # Queue, Circular Queue, and applications

├── 📁 hashmap_hashset/   # Basic HashMap & HashSet examples

├── 📁 recursion/         # Single and double recursion patterns

├── 📁 trees/             # Binary Tree, BST, and traversal problems

├── 📁 graphs/            # Adjacency List/Matrix + BFS & DFS

├── 📁 utils/             # Input helpers or shared utilities

└── 📄 README.md          # Course overview and instructions