This repository is for an example application built in my Spring Framework 5 - Beginner to Guru online course
The application is a simple Spring Boot 2 / Spring Framework 5 web application. It is used to help students learn how to use the Spring Framework. Step by step instructions and detailed explanations can be found within the course.
As you work through the course, please feel free to fork this repository to your out GitHub repo. Most links contain links to source code changes. If you encounter a problem you can compare your code to the lesson code. See this link for help with compares
Got a question about your Spring Framework 5 course? Checkout these FAQs!
| Recommended | Reference | Notes |
|---|---|---|
| Oracle Java 11 JDK | Download | Java 8 or Java 17 may also be used. |
| IntelliJ 2018 or Higher | Download | Ultimate Edition recommended. Students can get a free 120 trial license here |
| Maven 3.6.0 or higher | Download | Installation Instructions |
| Gradle 4.8 or higher | Download | Note: Use Version 5 or higher if using Java 11 |
| Git 2.15 or higher | Download | |
| Git GUI Clients | Downloads | Not required. But can be helpful if new to Git. SourceTree is a good option for Mac and Windows users. |
| Spring Boot 2.1 or higher | What's new |
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- working on using the equals and hashcode override within Intellij.
- context menu (alt+ins) select 'equals() and hashcode()'
- fill-out items in the dialogue box and Intellij will create the methods for you.
- adding a toString method to each of the book and author classes
- context menu (alt+ins) select 'toString()'
- a few dialogue entries (select class data elemeents to add) and Intellij will build the method for you
- Refactored the Book and Author classes into a package called Domain
- Created a new package called Repositories
- Create new class (interface) in the Repository package called AuthorRepository extends CrudRepository
- provide the type (in this case Author) and the id type which is a Long
- Create new class (interface) in the Repository package called BookRepository extends CrudRepository
- provide the type (in this case Book) and the id type which is a Long
- struggled with an error where the auto generated id in the JPA managed component didn't appear to be auto generating. Needed it update the return of the hashcode method override. The return didn't handle the condition if the id was null.