View Java Class Source Code in JAR file
- 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 nullanno-3.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
javax.annotation
├─ javax.annotation.Nonnull.class - [JAR]
├─ javax.annotation.Nullable.class - [JAR]
org.eclipse.jdt.annotation
├─ org.eclipse.jdt.annotation.DefaultLocation.class - [JAR]
├─ org.eclipse.jdt.annotation.NonNullByDefault.class - [JAR]