Скачать или смотреть Session 78 – Spring Core | Component Scan, Bean Lifecycle

Session 78 – Spring Core | Component Scan, Bean Lifecycle & Annotations | @Component, @Value, @PostConstruct, @PreDestroy

#SpringCore #ComponentScan #SpringAnnotations #BeanLifecycle #JavaFullStack

Welcome to Session 78 of the Java Full Stack Made Easy series!

In this session, we focus on annotation-based Spring configuration and understand how Spring discovers beans, manages their lifecycle, and injects values automatically.

✅ Topics Covered
🔹 Component Scanning

What is Component Scanning?

Using @ComponentScan

How Spring finds and registers beans

Difference between XML vs annotation scanning

🔹 Stereotype Annotation

@Component and its role in Spring

When to use @Service, @Repository, @Controller

🔹 Bean Lifecycle Annotations

@PostConstruct – initialization logic

@PreDestroy – cleanup logic

Difference between lifecycle annotations vs XML methods

🔹 Bean Scope (Annotation-Based)

@Scope("singleton")

@Scope("prototype")

Default scope behavior

🔹 Value Injection

Using @Value for primitive & String values

Injecting values from properties

📂 What You Will Learn

How Spring manages beans automatically

How lifecycle hooks work internally

How scope affects object creation

How to inject values without XML

Interview-focused Spring concepts

🛠 Technologies Used

Java

Spring Core

Annotation-based configuration

📺 Watch the full playlist:

👉    • Java Full Stack Made easy  

💻 Source Code:

👉 http://github.com/shahdbest/java_full...

📲 Connect on LinkedIn:

👉   / shahid-killedar-719a51127  

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