Spring Boot Tutorial

Spring Boot is a Java framework that makes it easier to create and run Java applications. It simplifies the configuration and setup process, allowing developers to focus more on writing code for their applications.

This Spring Boot Tutorial is a comprehensive guide that covers both basic and advanced concepts of the Spring Framework. It is designed for beginners as well as professionals.

Spring Boot, a module of the Spring framework, facilitates Rapid Application Development (RAD) capabilities.

This Spring tutorial includes basic to advanced topics of Spring Boot, like Basics of Spring Boot, Spring Boot core, Spring Boot REST API, Spring Boot with Microservices, Spring Boot with Kafka, Spring Boot with Database and Data JPA, etc.

What is Spring Boot?

Spring Boot is an open-source Java framework used to create a Micro Service. Spring boot is developed by Pivotal Team, and it provides a faster way to set up and an easier, configure, and run both simple and web-based applications. It is a combination of Spring Framework and Embedded Servers. The main goal of Spring Boot is to reduce development, unit test, and integration test time and in Spring Boot, there is no requirement for XML configuration.

Prerequisite of Spring Boot

• Understanding of Java syntax and core concepts such as classes, objects, inheritance, interfaces, and exception handling
• Basic understanding of the Spring framework
• Knowledge of Web Technologies
• Familiarity with build tools such as Maven or Gradle

Spring Boot – Basics

• Introduction to Spring Boot
• 7 Major Reasons to Choose Spring Boot For Microservices Development
• Best Way to Master Spring Boot – A Complete Roadmap
• Difference between Spring and Spring Boot
• Difference between Spring MVC and Spring Boot
• How to Create a Simple Spring Boot Project?
• How to Run Spring Boot Application?

Spring Boot – Software Setup and Configuration (STS/Eclipse/IntelliJ)

• How to Download and Install Spring Tool Suite (Spring Tools 4 for Eclipse) IDE?
• How to Create and Setup Spring Boot Project in Spring Tool Suite?
• How to Create a Spring Boot Project with IntelliJ IDEA?
• How to Create and Setup Spring Boot Project in Eclipse IDE?
• How to Run Your First Spring Boot Application in IntelliJ IDEA?
• How to Run Your First Spring Boot Application in Spring Tool Suite?

Prerequisite (Spring Core Concepts)

In this section, we will learn some of the essential Spring Core Concepts as prerequisites. If you already know these concepts then you can skip this section.

• Understanding Inversion of Control with Example
• Spring – BeanFactory
• Spring – ApplicationContext
• Spring – Difference Between BeanFactory and ApplicationContext
• Spring Dependency Injection with Example
• Spring – Difference Between Inversion of Control and Dependency Injection
• Spring – Injecting Objects By Constructor Injection
• Spring – Dependency Injection by Setter Method
• Spring – Injecting Objects by Setter Injection
• Spring – Injecting Literal Values By Setter Injection
• Spring – Injecting Literal Values By Constructor Injection
• Bean life cycle in Java Spring
• Custom Bean Scope in Spring
• How to Create a Spring Bean in 3 Different Ways?
• Spring – IoC Container
• Spring – Autowiring
• Singleton and Prototype Bean Scopes in Java Spring
• How to Configure Dispatcher Servlet in web.xml File?

Spring Boot Core

• Spring Boot Architecture
• Spring Boot Annotations
• Spring Boot Actuator
• How to create a basic application in Java Spring Boot
• Best Practices For Structuring Spring Boot Application
• Spring Boot – Hello World Example
• How to Create a Spring Boot Project in Spring Initializr and Run it in IntelliJ IDEA?
• Dynamic Dropdown From Database using Spring Boot
• How to Get the Body of Request in Spring Boot?
• How to Make Put Request in Spring Boot?
• Spring Boot – Code Structure
• Spring Boot – RestTemplate
• Spring Boot – Change Port
• Spring Boot – Scheduling
• Spring Boot – Sending Email via SMTP
• Spring Boot – Transaction Management Using @Transactional Annotation
• Spring Boot – Map Entity to DTO using ModelMapper
• Spring Boot – Validation using Hibernate Validator
• Spring Boot – Cache Provider
• Spring Boot – Logging
• Spring Boot – Auto-configuration
• Spring Boot – EhCaching
• Spring Boot – File Handling
• Spring Boot – Service Class Example for Displaying Response Codes and Custom Error Codes
• Spring Boot – Create a Custom Auto-Configuration
• Spring Boot – Starter Test
• Spring Boot – Exception Handling
• Spring Boot – Project Deployment Using Tomcat
• Spring Boot – Packaging
• Spring Boot – Thymeleaf with Example
• Spring Boot – Multi-Module Project
• Spring Boot – DevTools
• Spring Boot – Dependency Management
• Spring Boot – Caching
• Spring Boot – Starter Web
• Spring Boot – application.yml/application.yaml File
• Spring Boot – Application Properties
• Spring Boot – Starter Parent
• Spring Boot – Customize the Jackson ObjectMapper
• Spring Boot – Starters
• Spring Boot – Difference Between @Service Annotation and @Repository Annotation
• How to Make a Simple RestController in Spring Boot?
• How to Implement Simple Authentication in Spring Boot?
• What is PathVariable in the Spring Boot?
• Validation in Spring Boot
• What is Command Line Runner Interface in Spring Boot?
• Difference Between Spring Boot Starter Web and Spring Boot Starter Tomcat
• How to Dockerize a Spring boot application with Maven
• Creating a Spring Boot App using Dockerfile
• How to encrypt passwords in a Spring Boot project using Jasypt
• Upload Multiple Files in Spring Boot using JPA, Thymeleaf, Multipart
• How to Implement One-to-Many Mapping in Spring Boot?
• Deploying Spring Boot Application with MySQL Database on Azure
• How to Call or Consume External API in Spring Boot?
• How to Create Todo List API using Spring Boot and MySQL?
• How to Make a Project Using Spring Boot, MySQL, Spring Data JPA, and Maven?

Spring Boot with REST API

• Spring Boot – Introduction to RESTful Web Services
• Spring Boot – REST Example
• How to create a REST API using Java Spring Boot
• Easiest Way to Create REST API using Spring Boot
• How to Make a Simple RestController in Spring Boot?
• JSON using Jackson in REST API Implementation with Spring Boot

Spring Boot with Database and Data JPA

• Spring Boot – H2 Database
• Spring Boot – JDBC
• Advantages of Spring Boot JDBC
• Spring Boot – CRUD Operations
• Spring Boot – Integrating Hibernate and JPA
• Spring Boot – MongoRepository with Example
• Spring Boot – JpaRepository with Example
• Spring Boot – CrudRepository with Example
• Spring Boot – Difference Between CrudRepository and JpaRepository
• Spring Boot – CRUD Operations using MongoDB
• How to Connect MongoDB with Spring Boot?
• Spring Boot – Spring Data JPA
• Spring Boot – CRUD Operations using MySQL Database
• Spring Boot Integration With MySQL as a Maven Project
• Spring Boot Integration With MongoDB as a Maven Project
• Spring Boot Integration With PostgreSQL as a Maven Project
• Spring Boot JPA Sample Maven Project With Query Methods
• How to Make a Project Using Spring Boot, MySQL, Spring Data JPA, and Maven?

Spring Boot with Microservices

• Java Spring Boot Microservices Sample Project
• Different Ways to Establish Communication Between Spring Microservices

Spring Boot with Kafka

• Spring Boot Kafka Producer Example
• Spring Boot Kafka Consumer Example
• Spring Boot – How to consume JSON messages using Apache Kafka
• Spring Boot – How to consume string messages using Apache Kafka
• Spring Boot – How to publish String messages on Apache Kafka
• Spring Boot – How to publish JSON messages on Apache Kafka
• Spring Boot – Create and Configure Topics in Apache Kafka
• Spring Boot – Consume JSON Object From Kafka Topics
• Spring Boot – Start/Stop a Kafka Listener Dynamically
• Message Compression in Apache Kafka using Spring Boot
• Spring Boot – Consume Message Through Kafka, Save into ElasticSearch, and Plot into Grafana

Spring Boot with AOP

• How to Implement AOP in Spring Boot Application?
• Spring Boot – AOP(Aspect Oriented Programming)
• Spring Boot – Cache Provider
• Spring Boot – AOP Around Advice
• Spring Boot – Difference Between AOP and OOP
• Spring Boot – Difference Between AOP and AspectJ
• Spring Boot – AOP After Throwing Advice
• Spring Boot – AOP After Returning Advice
• Spring Boot – AOP After Advice
• Spring Boot – AOP Before Advice

Spring Boot Testing

• Unit Testing in Spring Boot Project using Mockito and Junit
• How to Test Spring Boot Project using ZeroCode?
• Spring Boot MockMVC Testing with Example Project
• Spring Boot MockMVC Example

What You Can Do with Spring Boot

Spring Boot allows for the rapid development of apps. It examines your classpath and the beans you’ve configured, makes educated guesses about what you’re missing, and adds those objects. With Spring Boot, you can concentrate on business aspects rather than infrastructure.

Spring Boot Features

• Web Development
• Spring Application
• Application events and listeners
• Admin features
• Externalized Configuration
• Properties Files
• YAML Support
• Type-safe Configuration
• Logging
• Security

Spring Boot Advantages

• It generates standalone Spring applications that are launched with the Java -jar command.
• It easily tests web applications using several Embedded HTTP servers like as Tomcat, Jetty, and others. We don’t need to distribute WAR files.
• It provides ‘starter’ POMs with strong opinions to help us simplify our Maven settings.
• It includes features that are ready for production, such as metrics, health checks, and externalised settings.
• There is no need for XML configuration.
• It includes a command-line utility for designing and testing Spring Boot applications.
• It provides a number of plug-ins.
• It also minimizes writing multiple boilerplate codes, XML configuration, and annotations.
• It boosts productivity while decreasing development time.

Limitations of Spring Boot

While Spring Boot is powerful, it has some drawbacks to consider:

• It can be tricky to learn at first, especially for beginners.
• It may use more memory and take longer to start compared to simpler frameworks.
• Its conventions can restrict customization options for specific needs.
• Managing multiple microservices can get complicated.
• Upgrading or integrating with certain tools may be tricky.
• Applications built with Spring Boot can be larger to deploy.

Conclusion

You’ve made it through our Spring Boot tutorial, and now you have a solid grasp of essential concepts like dependency injection, Spring Boot starters, and application configuration. With these new skills, you’re ready to build and deploy efficient, scalable Java applications. Spring Boot simplifies the development process, whether you’re creating microservices, RESTful web services, or enterprise applications. Keep exploring the vast Spring Boot ecosystem, stay active in the developer community, and apply what you’ve learned to real-world projects.

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Article Tags :

• Advance Java
• Java-Spring-Boot
• Tutorials