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

Frequently asked question for intermediate developers.
  Q1. What is Volatile keyword used for ?Core Java
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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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 Q2. what is volatile and atomicCore Java2018-11-14 12:49:31

Ans. When you declare a member/variable as volatile, you are forcing threads to read values from main memory instead of thread memory.

When you declare as atomic, the read and update/write operations are performed as a single unit. A lock is acquired during atomic operation.

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