How to stop/kill child process?

I am creating one process, and it will call another exe.
Now both are running as a different process. When I am closing my application first process is destroyed by calling destroy method. But I can’t able to close second process.
Thanks in advance.

User845466 wrote:
thanks,
I have started my application by calling the first exe, then it will call second .exe.
when i close my application it is destroying first .exe it is not destroying the second one. Due to this when i run my app once again it is showing your application already running.This isn't a java problem at this point.
You have your "first exe".
You have your "second exe".
There are two possibilities.
1. There is something in "first exe" that allows it to terminate the "second exe"
2. There is no way to do that.
You must determine which of those it is. And that process has nothing to do with java.
If you determine that it is 1, then with that information you can then look to java to see if there is a way to invoke that. You cannot attempt to solve it with java however UNTIL you have the information.
If it is 2 then you are left with finding an OS specific way to do the following.
1. Locate the 'process' of the "second exe"
2. Use 'process' to kill "second exe"
Those steps have nothing to do with java. However once you know what those steps are it will be possible, but perhaps not easy, to implement via java (although still with OS specific functionality.)

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