Java: get a process with a given PID

Say I have a currently running process known, how can I convert it into a process object in Java?

int pid = getPid();
Process proc = magicGetProcess(pid);

thank you

Solution

I don't think this can only use built-in libraries AFAIK, it is extraordinary to obtain the PID of the running process (see feature request and alternate mechanisms)

Quick browse Java Lang. process class shows that you can use JNI and native code to write custom Java Lang. process implementation Your custom class can implement additional methods, such as your problem