Spring Dependency Injection & Beans | REST Principles, Controller & Request Mapping
Автор: 10xscaleai
Загружено: 2026-01-20
Просмотров: 4
In this video, we explain Dependency Injection (DI) in Spring with detailed Bean concepts and REST API fundamentals.
🔹 Topics covered:
✔ What is Dependency Injection in Spring?
✔ Types of Dependency Injection
Constructor Injection
Setter Injection
Field Injection
✔ What is a Spring Bean?
✔ Bean lifecycle & scope overview
✔ REST principles (statelessness, resources, HTTP methods)
✔ Controller implementation in Spring Boot
✔ @RestController vs @Controller
✔ Request mapping using @RequestMapping, @GetMapping, @PostMapping
✔ Common mistakes & interview questions
📌 Useful for:
• Spring & Spring Boot Beginners
• Java Backend Developers
• REST API Learners
• Interview Preparation
• Freshers & Professionals
💡 Concepts are explained step-by-step with clean examples and theory.
🔔 Subscribe for more Spring Boot, Java & Backend tutorials.
#Spring #DependencyInjection #SpringBean #RESTAPI #SpringBoot #JavaInterview
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