primecalendar
· PrimeCalendar provides all the java.util.Calendar functionalities for Persian, Hijri, and Japanese dates. PrimeCalendar can be used in every JVM-based projects such as Java/kotlin applications, Android apps, etc.
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 primecalendar-1.3.93.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
