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Spring Boot vs Spring MVC – Key Differences

 Spring Boot vs Spring MVC – Key Differences


Both Spring Boot and Spring MVC belong to the Spring ecosystem—but they serve different purposes.


Spring MVC → A web framework based on the MVC architecture (Controller → Model → View).


Spring Boot → A framework for building Spring applications quickly with auto-configuration and minimal setup.

(It includes Spring MVC when building web applications.)


Think of it like:


Spring MVC = tool for building web layers


Spring Boot = tool for building an entire application easily


๐Ÿงฉ 1. Definition

Spring MVC


A web framework used to build web applications (REST APIs, HTML views) using the Model–View–Controller pattern.


It requires manual configuration for:


Dependencies


View resolvers


DispatcherServlet


Data sources


Security


Server container setup


Spring Boot


A rapid-application development framework built on top of Spring.

It automatically configures the application based on your dependencies.


It includes:


Auto-configuration


Embedded servers (Tomcat/Jetty/Netty)


Spring Boot Starter dependencies


Production-ready features (Actuator)


Spring Boot simplifies working with Spring MVC, Spring Data, Spring Security, etc.


⚙️ 2. Setup and Configuration

Spring MVC


Requires a web.xml or Java-based config.


Requires configuring DispatcherServlet manually.


Needs view resolvers defined explicitly.


Usually deployed to an external server (Tomcat/Jetty).


Example:


<servlet>

    <servlet-name>dispatcher</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

</servlet>


Spring Boot


No XML, minimal Java config.


Auto-configures DispatcherServlet, datasources, etc.


Comes with embedded servers.


Uses “starter” dependencies to simplify builds.


Boot application entry point:


@SpringBootApplication

public class Application {

    public static void main(String[] args) {

        SpringApplication.run(Application.class, args);

    }

}


๐Ÿš€ 3. Development Speed

Framework Development Experience

Spring MVC Slower: more manual setup and configuration

Spring Boot Faster: opinionated defaults and auto-configuration


Spring Boot removes the boilerplate so developers can focus on business logic.


๐ŸŒ 4. Deployment Model

Spring MVC Spring Boot

Packaged as WAR Runs as an executable JAR

Requires external Tomcat/Jetty Comes with embedded servers

More typical in older enterprise apps Standard for microservices and cloud-native apps

๐Ÿ“ฆ 5. Dependency Management

Spring MVC


Must add and manage all dependencies manually.


Spring Boot


Uses Starter dependencies (e.g., spring-boot-starter-web).


Reduces dependency management complexity.


Example Boot dependency:


<dependency>

    <groupId>org.springframework.boot</groupId>

    <artifactId>spring-boot-starter-web</artifactId>

</dependency>


๐Ÿ” 6. Features Comparison Table

Feature Spring MVC Spring Boot

Type Web framework Application framework

Auto-configuration ❌ No ✔ Yes

Embedded server ❌ No ✔ Yes

XML configuration Often required Not required

Starter dependencies ❌ No ✔ Yes

Opinionated defaults ❌ No ✔ Yes

Microservices support Moderate Excellent

Actuator endpoints ❌ No ✔ Yes

Complexity Higher Lower

๐Ÿง  7. Relationship Between the Two


Spring Boot uses Spring MVC when you include Web dependencies.


Spring MVC is just one module inside the Spring ecosystem.


You can think of Spring Boot as a wrapper that:


simplifies configuration


reduces boilerplate


provides production-ready defaults


makes Spring MVC easier to use


Spring Boot = Spring MVC + Auto Configuration + Embedded Servers + Dev Tools + Starters


๐Ÿค” 8. When to Use What

Use Spring MVC when:


You need full control of configuration.


You’re maintaining or integrating traditional/legacy Spring apps.


Deploying on strict enterprise servers with WARs.


You prefer XML or explicit configuration.


Use Spring Boot when:


Starting new projects.


Building REST APIs or microservices.


Deploying to cloud platforms (AWS, Azure, GCP).


You want rapid development.


You prefer convention over configuration.


๐Ÿ“ Summary

Aspect Spring MVC Spring Boot

Purpose Web/MVC framework Full application framework

Focus Web layer & controllers Auto-config, ease of setup

Requires manual setup Yes No

Embedded server No Yes

Ideal for Legacy projects, full control Modern apps, microservices


In short:


Spring MVC builds your web layer.

Spring Boot builds your whole application quickly (and often uses Spring MVC under the hood).

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Read More

What is Spring Framework? An Overview

Java Backend Architecture – MVC Explained

Introduction to Java Servlets

๐Ÿ”™ Backend Development with Java

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