A JSON Facade: Supports adapter any json library to gson, jackson, fastjson etc.
Provides a unified JSON access API, you can adapter any JSON library to Gson, Jackson, FastJson with easyjson.
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 easyjson-3.2.26.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.