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Java is one of the most popular and widely-used programming languages in the world today, and it’s a fundamental building block for many of the applications we use on a daily basis. Spring Boot 3, Spring 6 & Hibernate are all based on Java, so if you want to make use of those frameworks to develop powerful web applications, then you need to have a basic knowledge of Java.

The course also requires a basic understanding of HTML, as you'll be using HTML to structure the user interface elements. However, it's not necessary to have any prior experience with either Spring Boot 3 or Hibernate, as these will be covered in detail throughout the video tutorials.

Description

Spring Boot

Customize the Spring Boot Application Properties

Create a Spring Boot starter project with Spring Initializr

Spring Boot is an open source Java-based framework used to create a Micro Service. It is developed by Pivotal Team and is used to build stand-alone, production-grade Spring based applications that you can “just run”. It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss.

In this course, you will learn how to get started with Spring Boot 3, how to create a REST API Controller, how to configure application properties, how to package and run your app from the command line, and more. We'll also explore the project structure of Spring Boot projects, discuss starter parents, and look at the Actuator endpoints to add DevOps functionality to your project.

By the end of this course, you will be able to create Spring Boot 3 applications quickly and efficiently, leveraging the power of the Spring Boot framework.

Spring Boot Core

• Understand and use the Spring MVC framework
• Create Controllers using @Controller annotation
• Inject services into your controllers using @Autowired annotation
• Define request mappings, GET/POST/PUT/DELETE etc.
• Return Views and Model Attributes from Controller requests
• Handle form submission in the Controller layer
• Build a Hibern ate/JPA application from scratch
• Understand the Hibernate/JPA architecture
• Create Java domain objects with appropriate annotations
• Configure the Hibernate session factory in Spring Boot
• Perform CRUD operations (C(R)UD) using the Entity Manager
• Use the Criteria API to query data from the database

Spring Boot and Hibernate/JPA

• Object/relational mapping can be achieved through the use of Hibernate/JPA.
• The Hibernate/JPA API can be utilized to develop CRUD applications.
• The addition of support for the Standard JPA API is needed.
• Discover the advantages of utilizing the JPA API within Spring Boot applications.
• The JPA Query Language (JPQL) is utilized for developing queries.
• Learn how to apply advanced Hibernate/JPA mappings including one-to-one, one-to-many, and many-to-many.
• A real-time project can be created by using Spring Boot and Hibernate/JPA together.

Spring Boot Security

• Spring Boot Security can be used to enhance the security of web applications.
• Configure the Maven pom.xml file by adding the Spring Boot Security Starter.
• One can set up Spring Boot Security using solely Java configuration, without the use of XML.
• Spring Boot Security login pages can be customized using Bootstrap CSS.
• Implement logout functionality using the built-in capabilities of Spring Boot Security.
• Utilize Spring Boot Security's support for Cross Site Request Forgery (CSRF) prevention.
• Establish the identification of users and their respective roles.
• Utilize Spring Boot Security tags to showcase user login information and associated role.
• The access to URLs can be limited according to the user's role.
• The content can be hidden or displayed based on the user's role.
• Implement JDBC authentication by storing user accounts and their corresponding passwords in the database.
• To securely store passwords in the database, it is recommended to use bcrypt encryption.
• To create new user accounts and protect passwords, utilize Java code to implement encryption.
• A Spring Security project can be created with features such as authorization, authentication, and database encryption for real-time use.

Spring Boot REST APIs

• This is an overview of REST APIs.
• Researching the REST support for Spring Boot.
• JSON data can be transmitted through HTTP.
• The Jackson project facilitates JSON data binding.
• The process of converting JSON data into Java POJO can be achieved using Jackson.
• The task at hand is to create a REST API using Spring Boot.
• Instructions for creating a Spring Boot REST project using Maven.
• The Spring Boot REST Controller can be created using the @RestController annotation.
• To run the Spring Boot REST Controller, utilize the IDE.
• The process of testing Spring Boot REST Web Services can be done using Postman.
• The Spring Boot REST API endpoints can be parameterized using @PathVariable.
• One can implement Spring Boot REST exception handling by using the @ExceptionHandler.
• One can integrate global Spring Boot REST exception handling by using @ControllerAdvice.
• The ResponseEntity can be used in Spring Boot REST to have precise control over HTTP responses.
• The Spring Boot REST API is designed to perform CRUD actions on the Database using Hibernate/JPA.
• A Real-Time Project can be created using Spring Boot REST API with full database CRUD functionality.

Spring Boot REST API CRUD

• Create a REST API Controller using Spring Boot that supports complete CRUD functionality.
• Instructions for setting up a data source for a MySQL database in Spring Boot.
• Implement DAOs using JPA Entity Manager.
• Incorporate effective methods by integrating a service layer.
• The Controller code exposes REST API endpoints for GET, POST, PUT, and DELETE methods.
• The REST API can be accessed through Postman.

Spring Boot and Spring Data JPA

• Spring Data JPA and the JpaRepository can be utilized to reduce boilerplate code.
• The REST API will be modified to incorporate Spring Data JPA.
• The Java Optional pattern's new features can be utilized in conjunction with JpaRepository.
• The Spring Data JPA repository can be tested using Postman.

Spring Boot and Spring Data REST

• Spring Data REST can expedite the development process.
• Spring Data REST can be used to reduce the need for custom code in controllers and services.
• The REST endpoints for JPA Repositories can be automatically exposed.
• The REST base path endpoints can be customized.
• Pagination and sorting can be applied to REST API endpoints.
• Setting default page sizes for REST APIs can be configured.
• Research REST responses that comply with HATEOAS standards.
• Conduct a test of Spring Data REST using Postman.

Spring Boot MVC

• Establish your Spring Boot MVC environment by configuring settings and organizing directories.
• Controllers can be created using the @Controller annotation.
• To retrieve HTML form data, utilize the @RequestParam method.
• Spring Boot MVC model can be utilized to transfer information between a controller and a view page.
• Provide definitions for Request Mappings regarding both GET and POST requests.
• Spring Boot MVC offers a solution for reducing coding through form data binding.

Spring Boot and Thymeleaf

• Thymeleaf is used to develop view templates in Spring Boot projects.
• Review the auto-configuration of Thymeleaf in Spring Boot projects.
• To create a Spring Boot project with Thymeleaf, one can use the Spring Initializer website.
• Create a Spring Boot MVC Controller and a Thymeleaf template.
• Thymeleaf expressions can be utilized to retrieve data from the Spring Boot MVC Model.
• CSS stylesheets can be applied to Thymeleaf templates.

The topics being discussed are Spring Boot, Thymeleaf, and database CRUD.

• A real-time project can be created using Thymeleaf and Spring Boot, which offers complete database CRUD support.
• To execute CRUD actions on the Database using Spring Data JPA, incorporate the @Repository.
• Implement the @Service layer design pattern according to industry standards.
• To handle web browser requests, a @Controller can be created.
• Create Thymeleaf templates for displaying data retrieved from a database.
• Improve the appearance of your Thymeleaf templates by incorporating Bootstrap CSS.

Maven

• Maven can streamline your build process.
• To create Maven POM files, dependencies must be added.
• Execute Maven builds directly from the integrated development environment.
• Maven is utilized in the development of Real-Time Projects for Spring Boot MVC, Spring Boot Security, Spring Boot REST API, and Hibernate/JPA.

This course is intended for:

This course is suitable for all Java developers, from complete beginners to those with more advanced programming skills. It covers the fundamentals of the language and provides an understanding of how to use it in order to create complex programs. The course covers topics such as object-oriented programming, exception handling, data structure basics and design principles. All of these fundamentals provide the base that is needed in order to become a successful Java programmer. This comprehensive coverage also helps experienced developers advance their skillset and stay up-to-date on advances in the language.

Frequently Asked Questions

What is the difference between Spring Boot 3 and Spring 6?

Spring Boot 3 is a framework based on Spring 5 that helps developers quickly create stand-alone, production-grade applications with minimal effort. It simplifies many of the complexities associated with configuring and deploying standard Java/Spring applications. Spring 6, on the other hand, is an upgrade to the existing version of Spring and includes new features such as the Kotlin programming language, reactive programming support, and a preview of the upcoming Spring Security 5.

How does Thymeleaf work?

Thymeleaf is a template engine used to create HTML pages with dynamic content. It combines a template with data from the server-side to produce the final result that is sent to the user. Thymeleaf can be used for both HTML and XML documents, and it provides powerful features such as layouts, parameterized templates, and internationalization support.

How do I set up Hibernate/JPA?

Hibernate/JPA is configured in two steps. First, you must create a persistent object model using Java classes and annotations. Then, you must configure a data source to access the database and provide connection information.

What are the benefits of using Spring Boot for Real-Time Projects?

Spring Boot provides many benefits for Real-Time Projects such as simplified dependency management, better application performance, improved security , and more. It also offers better scalability as it allows for easy deployment of applications on multiple environments.

What are the features offered by Spring Boot?

Spring Boot offers a wide range of features such as auto-configuration, dependency management, starter projects, embedded server support, and more. It also provides tools to monitor application health and performance including metrics collection, auditing, and logging.