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Interview Questions and Answers for 'Cgi group' - 2 question(s) found - Order By Newest

Frequently asked question for intermediate developers.
  Q1. What is Volatile keyword used for ?Core Java
Ans. Volatile is a declaration that a variable can be accessed by multiple threads and hence shouldnt be cached.

  Sample Code for volatile

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  How does volatile affect code optimization by compiler?

Usually asked only to fresh graduates and less experienced developers.
  Q2. What is a daemon thread? Give an Example ?
Ans. These are threads that normally run at a low priority and provide a basic service to a program or programs when activity on a machine is reduced. garbage collector thread is daemon thread.

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