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Interview Questions and Answers for 'TrustArc' - 2 question(s) found
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Frequently asked question for intermediate developers. Frequently asked in HCL Technologies and EPAM.
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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 java   oops   synchronization   volatile   java keywords
Asked in 42 Companies
intermediate
 
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The use of volatile keyword facilitates ..
Making Use of Cache for better Performance
Avoiding use of Cache
Making use of Backward as well as Forward Cache
Keeping only one copy of variable in Cache
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what is volatile and atomic
Q2.
Code an elevator simulator.
Design
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