Lvcios · July 26, 2025 23:07 · Jul 26, 2025 · Mar 5, 2025
diff --git a/BackendNet.md b/BackendNet.md
@@ -94,6 +94,11 @@ Create a structured guide covering key **C# and software development** concepts.
 - What are **Generics** and why use them?  
 - Code examples: **Generic classes, methods, collections**  
 
+## **1️⃣4️⃣  Dependency Injection in C# (`<T>`)**  
+- What are the different types of DI used in C#?  
+- Explain differences between **Singleton, Transient, Scoped**
+- Explain how their instances work together in a single request.
+
 ---
 
 ## **📌 Output Format**  

diff --git a/BackendNet.md b/BackendNet.md
@@ -0,0 +1,106 @@
+# 📌 C# & Software Development Guide – Topics to Cover  
+
+Create a structured guide covering key **C# and software development** concepts. The guide should be organized into clear sections with **concise explanations** and **real-world examples** where applicable. The topics to include are:  
+
+---
+
+## **1️⃣ Object-Oriented Programming (OOP) in C#**  
+- Explanation of OOP and its importance  
+- The four pillars: **Encapsulation, Inheritance, Polymorphism, Abstraction** (with examples)  
+- **Classes and Objects**  
+
+---
+
+## **2️⃣ SOLID Principles**  
+- Definition and why they matter in software design  
+- Brief explanation of each principle:  
+  - **SRP** – Single Responsibility Principle  
+  - **OCP** – Open/Closed Principle  
+  - **LSP** – Liskov Substitution Principle  
+  - **ISP** – Interface Segregation Principle  
+  - **DIP** – Dependency Inversion Principle  
+
+---
+
+## **3️⃣ Constructors in C#**  
+- Purpose and types of constructors  
+- 10 common **FAQs about constructors**  
+
+---
+
+## **4️⃣ Garbage Collection & Memory Management**  
+- How C# **Garbage Collector** works  
+- Difference between **Dispose()** and **Finalize()**  
+- Using **IDisposable** and the `using` statement  
+- Real-world scenarios (e.g., **database connections**)  
+
+---
+
+## **5️⃣ Value Types vs. Reference Types**  
+- Differences and behavior in memory  
+- How to pass them as parameters to methods  
+
+---
+
+## **6️⃣ Database Concepts**  
+- **What is a database index?** (with a real-world analogy)  
+- **Table relationships** and how they work  
+- Common **relational database** concepts  
+
+---
+
+## **7️⃣ Delegates and Predicates in C#**  
+- What are **delegates** and how to use them  
+- **Predicates** and their role in functional programming  
+
+---
+
+## **8️⃣ Asynchronous Programming & Threading**  
+- Difference between **synchronous and asynchronous execution**  
+- Task-based async programming (`async`/`await`)  
+- **Async vs. Threading** – When to use each  
+
+---
+
+## **9️⃣ CI/CD and DevOps Practices**  
+- What is **Continuous Integration (CI) and Continuous Deployment (CD)?**  
+- **Benefits of CI/CD** in software development  
+- Overview of **pipelines in C#**  
+
+---
+
+## **🔟 Security Best Practices for Developers**  
+- Secure coding techniques  
+- Protecting sensitive data  
+- Authentication & authorization best practices  
+
+---
+
+## **1️⃣1️⃣ Azure Cloud Knowledge**  
+- **What recruiters look for** in Azure knowledge  
+- Key **Azure services** and concepts  
+- **Real-world Azure use cases**  
+
+---
+
+## **1️⃣2️⃣ Blazor Framework**  
+- Overview of **Blazor**  
+- **Blazor Server vs. Blazor WebAssembly**  
+- Why developers should consider using **Blazor**  
+
+---
+
+## **1️⃣3️⃣ Generics in C# (`<T>`)**  
+- What are **Generics** and why use them?  
+- Code examples: **Generic classes, methods, collections**  
+
+---
+
+## **📌 Output Format**  
+Each topic should include:  
+✅ A **short explanation** in simple terms.  
+✅ **Key benefits or use cases**.  
+✅ **Code examples** where applicable.  
+✅ **Real-world analogies** to make concepts easier to understand.  
+
+This guide should be **well-structured, beginner-friendly, and practical**, making it useful for developers preparing for **interviews** or strengthening their **understanding of C#**. 🚀
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