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Launching external processes from Java using the raw java.lang.ProcessBuilder API directly can be a little cumbersome. The Apache Commons Exec library makes it a little easier. The ch.vorburger.exec library further extends upon Commons Exec to make it truly convenient:

ManagedProcess proc = new ManagedProcessBuilder("path-to-your-executable-binary")
     .setWorkingDirectory(new File("/tmp"))

int status = proc.waitForExit();
int status = proc.waitForExitMaxMsOrDestroy(3000);
String output = proc.getConsole();

proc.startAndWaitForConsoleMessageMaxMs("started!", 7000);
// use service offered by external process...

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