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Core Java - Interview Questions and Answers for 'Java.util.concurrent' - 3 question(s) found - Order By Newest | ||||
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Ans. ConcurrentMap is an interface and it is a member of the Java Collections Framework. It represents a Map that is capable of handling concurrent access to it without affecting the consistency of entries in a map. ConcurrentMap interface present in java.util.concurrent package. HashMap operations are not synchronized, while Hashtable provides synchronization. Though Hashtable is thread-safe, it is not very efficient. To solve this issue, the Java Collections Framework introduced ConcurrentMap in Java 1.5. | ||||
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Ans. http://www.devinline.com/2015/10/Lock-Vs-synchronized-in-java.html | ||||
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![]() a. static and transient b. transient and final c. static and synchronized d. abstract and final | ||||
![]() a. Transient b. Final c. Explicit d. Synchronized | ||||
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