What do the javadocs say under which conditions that method can throw an exception?
What happens if you omit that method call? Since it's just before exiting the JVM, I could imagine that not much harm is possible.
Joined: Feb 27, 2012
if we dont use deallocate , the after saying the word the engine does not get dellocated and the program does not exits the code runs properly without that method but it does not respond to any of the words in grammar file and exit the program