Angular Dependency Injection Crash Course in Tamil | Master DI, Services & Providers (Angular 20)

Welcome to this *Angular Dependency Injection Deep Dive* — a *1-hour crash course* designed for *beginners to intermediate developers* who want to *master DI in Angular 20* with real-world examples. In this video, you’ll learn everything about *Dependency Injection (DI)**, **Services**, **Providers**, **Injection Tokens**, and **best practices* used in modern Angular architecture. Perfect for anyone building **scalable and maintainable Angular apps**. --- 📘 *What You’ll Learn* ✅ What is Dependency Injection & Why it’s essential ✅ Root Injector explained ✅ Creating and injecting services ✅ Service-to-Service Injection ✅ Understanding Providers deeply ✅ Provider configuration with `useClass`, `useValue`, and `useFactory` ✅ Injection Tokens & Configuration Injection ✅ Common DI errors and best practices All concepts are shown *with real examples* in a brand-new Angular 20 project. --- 🕒 *Timestamps* 00:00 — Course Intro 02:17 — Introduction & Setup  • 02:22 What is Dependency Injection?  • 04:22 Create Project  • 06:06 What is Root Injector  • 06:21 Creating a Basic Service  • 06:36 What is a Service?  • 07:15 Create LoggerService File  • 10:31 Inject LoggerService into AppComponent 14:30 — Service-to-Service Injection & Providers Deep Dive  • 15:18 What is Service-to-Service Injection?  • 19:32 Using the Service & Explaining Providers  • 22:38 What is a Provider?  • 23:34 Provider Customization Examples  • 30:07 Difference between `useClass`, `useValue` & `useFactory` 40:54 — Injection Tokens & Configuration Injection  • 42:03 What is Injection Token?  • 48:14 Use Token Inside a Service 55:53 — Common Errors & Best Practices 01:01:31 — Conclusion 💡 *About This Course* This video is part of the *Modern Angular Deep Dive Series* — created to help developers *upgrade to the latest Angular concepts* step by step. If you find this helpful, don’t forget to 👍 *like**, 💬 **comment**, and 🔔 **subscribe* for more hands-on Angular tutorials. 🤝 *Donate & Help this Channel:* UPI: 9444914384@okbizaxis PayPal: https://paypal.me/jvlogesh Buy me Kofi : https://ko-fi.com/jvlcode 🎓 Explore all my Udemy courses here → https://www.udemy.com/user/jvl-code/ 📧 *Contact Information:* 📬 Email: [email protected] 🔗 LinkedIn:   / jvl-code   📷 Instagram:   / jvlcode   📱 Whatsapp: https://whatsapp.com/channel/0029VaCu... 📘 Facebook:   / jvlcode   🌐 Website: https://www.jvlcode.com 🔔 For business inquiries or collaborations, please use the provided contact information. Thank you for your support! Don't forget to like, share, and subscribe for more content! 🔔