Package Javax Comm File
If you are working on a legacy system, I can provide tips on: Finding the libraries Troubleshooting the "No serial ports found" error
The de facto standard replacement for many years was RXTX (e.g., org.rxtx:rxtxcomm ), but it is also considered old. Modern Java serial communication is typically handled via modern, maintained libraries like jSerialComm or jSSC (Java Simple Serial Connector). Package Javax Comm
While it was once a stable and flexible solution for Java-to-hardware communication, javax.comm should be avoided for new projects . It is extremely difficult to set up on modern systems, and superior, actively maintained libraries are readily available. If you are working on a legacy system,