What are those Spring Starter Available in Spring Boot

What are those Spring Starter Available in Spring Boot :

Spring Boot provides several starter packages that allow developers to quickly set up and configure various components of the Spring framework. Some of the commonly used starters in Spring Boot are:

What are those Spring Starter Available

1. Spring Boot Starter Web: This starter provides everything needed to build web applications, including Tomcat, Spring MVC, and Spring Web.
2. Spring Boot Starter Data JPA: This starter provides support for JPA (Java Persistence API) and Hibernate ORM (Object-Relational Mapping).
3. Spring Boot Starter Security: This starter provides security features such as authentication, authorization, and encryption.
4. Spring Boot Starter Test: This starter provides testing frameworks such as JUnit, Mockito, and Spring Test.
5. Spring Boot Starter Actuator: This starter provides monitoring and management features for the application, such as health checks, metrics, and monitoring endpoints.
6. Spring Boot Starter AMQP: This starter provides support for messaging with RabbitMQ.
7. Spring Boot Starter Batch: This starter provides support for batch processing with Spring Batch.
8. Spring Boot Starter Cache: This starter provides support for caching with Spring Cache.
9. Spring Boot Starter Cloud: This starter provides support for building cloud-native applications with Spring Cloud.

In summary, Spring Boot provides a wide range of starters that allow developers to quickly set up and configure various components of the Spring framework, making it easier to build robust and scalable applications.

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What are Spring Boot-Starter Dependencies

Spring Boot Starter dependencies are pre-packaged sets of dependencies that are used to quickly set up a particular type of application or feature. They simplify the process of configuring and deploying Spring Boot applications by providing pre-configured dependencies that are commonly used together.

Spring Boot Starter dependencies typically have a naming convention of spring-boot-starter-* and are available for various features and technologies such as web, data, security, messaging, cloud, testing, and more. Some of the commonly used Spring Boot Starter dependencies include:

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1. spring-boot-starter-web: This dependency includes all the necessary libraries to build a web application using Spring MVC, such as Tomcat, Spring Web, and Jackson JSON.
2. spring-boot-starter-data-jpa: This dependency includes all the necessary libraries to work with JPA (Java Persistence API) and Hibernate, including Spring Data JPA.
3. spring-boot-starter-security: This dependency includes all the necessary libraries to add security features to your application, such as authentication, authorization, and encryption.
4. spring-boot-starter-test: This dependency includes all the necessary libraries to write unit and integration tests, such as JUnit, Mockito, and Spring Test.
5. spring-boot-starter-actuator: This dependency includes all the necessary libraries to add monitoring and management features to your application, such as health checks and metrics.
6. spring-boot-starter-amqp: This dependency includes all the necessary libraries to work with messaging using RabbitMQ.
7. spring-boot-starter-batch: This dependency includes all the necessary libraries to perform batch processing using Spring Batch.
8. spring-boot-starter-cache: This dependency includes all the necessary libraries to add caching support to your application using Spring Cache.

In summary, Spring Boot Starter dependencies are pre-packaged sets of dependencies that provide commonly used libraries for various features and technologies, making it easier to build Spring Boot applications.

Spring-boot-starter dependency Maven With Program

To add a Spring Boot Starter dependency in a Maven project, you need to add the dependency to the pom.xml file. Here’s an example of adding the spring-boot-starter-web dependency to a Maven project:

1. Open the pom.xml file of your project in an editor.
2. Find the <dependencies> section, which is where you’ll add the new dependency.
3. Add the following lines to the <dependencies> section:

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

4. Save the pom.xml file.
5. Run mvn clean install to download the dependencies and build the project.

Here’s an example of a Java program that uses the spring-boot-starter-web dependency to create a simple RESTful web service:

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
public class MyApplication {

    public static void main(String[] args) {
        SpringApplication.run(MyApplication.class, args);
    }

    @GetMapping("/")
    public String hello() {
        return "Hello, world!";
    }
}

In this example, the @SpringBootApplication annotation enables Spring Boot autoconfiguration, while the @RestController annotation creates a simple REST controller. The @GetMapping("/") annotation maps the hello() method to the root URL of the application. When you run the application, you can access the endpoint by visiting http://localhost:8080/ in your web browser, which should display the message “Hello, world!”.

Spring Boot Most asked interview questions 2023

Here are some common interview questions related to Spring Boot:

1. What is Spring Boot, and how is it different from Spring Framework?
2. What is auto-configuration in Spring Boot, and how does it work?
3. How do you create a Spring Boot application, and what is the recommended project structure?
4. What is the purpose of the @SpringBootApplication annotation, and what are some of its sub-annotations?
5. What is a Spring Boot starter, and how does it simplify the development of Spring applications?
6. What is Spring Boot Actuator, and how can it be used for monitoring and management of your application?
7. How do you configure a database connection in a Spring Boot application using properties or YAML files?
8. What is the purpose of the @RestController annotation in Spring Boot, and how does it differ from @Controller?
9. What is Spring Boot Test, and how do you write unit and integration tests for a Spring Boot application?
10. How can you use Spring Boot to create a microservice architecture, and what are some of the benefits of using Spring Boot for microservices?

These are just a few examples of interview questions related to Spring Boot. It’s important to prepare for interviews by studying the concepts and features of Spring Boot, and by practicing coding exercises and solving problems using Spring Boot.

spring boot interview questions for 2 years experience

Here are some common Spring Boot interview questions that may be asked for a 2-year experienced candidate:

1. What are the key features of Spring Boot that you have used in your projects?
2. How do you configure logging in a Spring Boot application, and what are some of the logging frameworks that can be used?
3. What is the purpose of the @Autowired annotation in Spring Boot, and how does it work?
4. How do you handle exceptions in a Spring Boot application, and what are some best practices for exception handling?
5. How do you manage database transactions in a Spring Boot application, and what are some of the transaction management strategies?
6. What is Spring Boot Security, and how can you use it to secure your application?
7. How do you implement caching in a Spring Boot application, and what are some of the caching frameworks that can be used?
8. What are some of the testing frameworks that can be used in Spring Boot, and how do you write unit and integration tests for a Spring Boot application?
9. How do you deploy a Spring Boot application, and what are some of the deployment options?
10. What are some of the challenges that you have faced while working with Spring Boot, and how did you overcome them?

These are just a few examples of interview questions that may be asked for a 2-year experienced candidate. It’s important to prepare for interviews by reviewing the concepts and features of Spring Boot, and by practicing coding exercises and solving problems using Spring Boot. Additionally, be prepared to discuss your previous projects and experiences in detail.