What is Spring boot starters and name few important Spring boot starter dependencies?



In this quick article, we will discuss one important interview question that is What is Spring boot starters, and name a few important Spring boot starter dependencies?

What are Spring boot starters?

Spring boot starters are a set of convenient dependency descriptors that you can include in your application. You get a one-stop-shop for all the Spring and related technology that you need, without having to hunt through sample code and copy-paste loads of dependency descriptors.

For example, while developing the REST service or web application; we can use libraries like Spring MVC, Tomcat, and Jackson – a lot of dependencies for a single application. spring-boot-starter-web starter can help to reduce the number of manually added dependencies just by adding spring-boot-starter-web dependency. 
So instead of manually specifying the dependencies just add one spring-boot-starter-web starter as in the following example:
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

Few commonly used Spring boot starters:

spring-boot-starter: core starter, including auto-configuration support, logging, and YAML
spring-boot-starter-aop: for aspect-oriented programming with Spring AOP and AspectJ
spring-boot-starter-data-jpa: for using Spring Data JPA with Hibernate
spring-boot-starter-security: for using Spring Security
spring-boot-starter-test: for testing Spring Boot applications
spring-boot-starter-web: for building web, including RESTful, applications using Spring MVC.
spring-boot-starter-data-mongodb : Starter for using MongoDB document-oriented database and Spring Data MongoDB
spring-boot-starter-data-rest : Starter for exposing Spring Data repositories over REST using Spring Data REST
spring-boot-starter-webflux : Starter for building WebFlux applications using Spring Framework’s Reactive Web support
You can find all the Spring Boot Starters at Important Spring Boot Starters with Examples

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