1. OOPs.md

2. Software Design Principles and Patterns.md

3. SOLID-Principles.md

3.1 Professional Naming Conventions & Folder Structure.md

4. Interface and Abstraction.md

5. Data Structures and Algorithms (DSA).md

5.1 Recursion.md

5.2 Array and Dynamic Arrays.md

5.2.1 [Example]-Storing High Scores for a game.md

5.2.2 [Example]- Caesar Cipher Encryption & Decryption.md

5.2.3 [Example]- Tic-Tac-Toe Game.md