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Core Java - Interview Questions and Answers for 'Volatile' - 6 question(s) found - Order By Newest

Advanced level question usually asked to senior developers , leads and architects.
 Q1. How does volatile affect code optimization by compiler?Core Java
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Ans. Volatile is an instruction that the variables can be accessed by multiple threads and hence shouldn't be cached. As volatile variables are never cached and hence their retrieval cannot be optimized.

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Frequently asked question for intermediate developers.
  Q2. What is Volatile keyword used for ?Core Java
Anonymous
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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 Q3. how is the internal code for the "volatile" implemented ? Core Java2018-06-21 18:00:53

 This question was recently asked at 'Symantec'.This question is still unanswered. Can you please provide an answer.


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 Q4. What are the different ways to avoid multi Threading related problems in Java ?Core Java2018-07-20 17:58:09

Ans. Synchronization,
Concurrent classes,
Volatile keyword,
Implementing concurrent Lock interface,
Immutable classes

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 Q5. Have you heard of volatile Table in Teradata ?Teradata2018-07-24 11:27:05

Ans. If you create table with VOLATILE option, the life of the table will be only for the current session.
It will be automatically dropped by Teradata manager once session expires.

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 Q6. The use of volatile keyword facilitates ..Core Java
a. Making Use of Cache for better Performance
b. Avoiding use of Cache
c. Making use of Backward as well as Forward Cache
d. Keeping only one copy of variable in Cache

Ans.b. Avoiding use of Cache



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