I was reading an article
https://technology.amis.nl/2009/02/19/asynchronous-processing-in-java-applications-leveraging-those-multi-cores/?subscribe=success#blog_subscription-2
on Future object. When i am trying to execute the programme as mentioned in the article, programme is not terminating as it own. Article author also used
System.exit(0) in the end to terminate it. I am unable to understand this. any idea?