Jakarta JSON Processing
· Jakarta JSON Processing defines a Java(R) based framework for parsing, generating, transforming, and querying JSON documents.
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 json-2.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.