Spring Boot

Spring's container manages and wires your objects — it's the heart of the framework.

Spring Boot relies on annotations to define components and configure behavior.

REST controllers are the door through which the world reaches your app.

Spring Data JPA cuts data-access code down to writing just an interface.

Validating input and returning clear errors makes an API professional and safe.

Separating logic into layers keeps a project organized, testable, and scalable.

Any real app needs protection — Spring Security is the standard in the Java world.

Spring provides powerful testing tools covering everything from units to the full web layer.

Knowing your app's health in production matters as much as writing it.

Smart caching reduces database load and speeds up responses.

Decoupling heavy tasks through messaging makes your system resilient and scalable.

A production-ready Spring Boot app must be packaged and deployed reliably.

Splitting big systems into independent services is modern enterprise architecture.