Spring Boot Starter Dependencies?

In a Spring Boot application, starter dependencies simplify configuration by bundling commonly used dependencies together. Here are some key Spring Boot starters and their purposes:

Common Spring Boot Starters

Starter	Description
spring-boot-starter	Core starter for a Spring Boot application.
spring-boot-starter-web	For building web applications (REST, MVC, etc.). Includes Tomcat and Spring MVC.
spring-boot-starter-webflux	For reactive web applications using Spring WebFlux.
spring-boot-starter-data-jpa	Provides support for JPA with Hibernate as the default implementation.
spring-boot-starter-data-mongodb	For MongoDB integration.
spring-boot-starter-data-redis	For Redis-based caching and messaging.
spring-boot-starter-security	Adds Spring Security for authentication and authorization.
spring-boot-starter-thymeleaf	For server-side rendering using the Thymeleaf template engine.
spring-boot-starter-freemarker	For FreeMarker template support.
spring-boot-starter-mustache	For Mustache template support.
spring-boot-starter-mail	For sending emails using JavaMailSender.
spring-boot-starter-validation	Adds Java Bean Validation (JSR-303) support.
spring-boot-starter-actuator	Provides monitoring and management features.
spring-boot-starter-test	Bundles testing libraries (JUnit, Mockito, AssertJ, etc.).
spring-boot-starter-aop	Adds Aspect-Oriented Programming (AOP) support with Spring AOP.
spring-boot-starter-batch	For batch processing with Spring Batch.
spring-boot-starter-cache	Enables caching support in Spring applications.
spring-boot-starter-quartz	For scheduling tasks using Quartz Scheduler.

Example pom.xml (Maven)

<dependencies>
    <!-- Core Spring Boot starter -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
    </dependency>

    <!-- Spring Web for REST APIs -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!-- JPA and Hibernate -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>

    <!-- Spring Security -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
    </dependency>

    <!-- Database (PostgreSQL example) -->
    <dependency>
        <groupId>org.postgresql</groupId>
        <artifactId>postgresql</artifactId>
    </dependency>

    <!-- Spring Boot Test -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>