Springlets
· Springlets provides a series of heterogeneus small utilities for Spring based applications and Spring Boot starters not available in the main Spring projects: Spring Framework, Spring Data, Spring Boot, ...
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window springlets-parent-1.2.0.RELEASE.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.