want to understand the working of traccar

Hello,

I want to study about the working of the traccar server and the traccar client, how they communicate, how the data is processed, what is happening where,everything
I have implemented the traccar system on my server and seen it in action, now i want to study about it
Please tell me the resources from where i can study

Well, you can download source code and study it. If you want to know specifically about Traccar Client, here is the protocol that it uses:

https://www.traccar.org/osmand/

Actually i want to study the code documentation.

If you want to study back-end code you should read Netty and J2EE resources.

For more information on the web app check ExtJS documentation.