How to find a process is running or not.

Hi All,
I would like to find out whether a process is running or not. How to find out?
Thank you,
Kranthi.

Process
public abstract int exitValue()
Returns the exit value for the subprocess.
Returns:
the exit value of the subprocess represented by this Process object.
By convention, the value 0 indicates normal termination.
Throws:
IllegalThreadStateException - if the subprocess represented by this Process object has not yet terminated.
*/

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How to find a process is running or not.

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