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Spring Boot Tutorial How to Build Fast and Modern Java Apps

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Users should be able to create new reservations by selecting the amenity type, date, and time. If you get stuck in any part of this tutorial or if I have forgotten to mention something, you can check out the GitHub repository I have included in the Conclusion. Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track. The application will start at Spring Boot’s default tomcat port8080.

Since Spring Boot provides auto-configuration, there are a lot of beans getting configured by it. We can get a list of these beans using below code snippet. Spring Boot @SpringBootApplication annotation is used to mark a configuration Spring Boot Lessons class that declares one or more @Bean methods and also triggers auto-configuration and component scanning. It’s same as declaring a class with @Configuration, @EnableAutoConfiguration and @ComponentScan annotations.

My Udemy Course: Building Microservices with Spring Boot and Spring Cloud

We can call the application just by calling a static run() method. The main goal of Spring Boot is to reduce development, unit test, and integration test time. It tests web applications easily with the help of different Embedded HTTP servers such as Tomcat, Jetty, etc. It reduces the cost and development time of the application.

What should I learn for Spring Boot?

  • Basics of Spring Boot.
  • Basics of Auto Configuration and Spring Boot Magic.
  • Spring Boot Starter Projects.
  • Spring Initializr.
  • Basic REST Services using Spring Boot Starter Web.
  • REST Service Content Negotiation with JSON and XML.
  • Embedded servlet containers : Tomcat, Jetty and Undertow.

Java developers looking to adopt microservices need to consider the practical aspects of application development. For many companies, the answer is Spring Boot and the wider Spring ecosystem. That’s a huge list, there are many auto-configured beans that we are not using. We can optimize our spring boot application by disabling these using @SpringBootApplication exclude or excludeName property.

Spring Boot Database

If you happen to use Groovy then you can further reduce the development time of Java web applications using Spring CLI. You will also learn some advanced REST concepts e.g. how to version your RESTful Web service and document them using Swagger.

Spring Boot Lessons

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