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|Java - Interview Questions and Answers|
|Ans. Synchronization, |
Implementing concurrent Lock interface,
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|Like Discuss Correct / Improve  multithreading  threads  ways to avoid thread related problems  synchronization  volatile  concurrent collections Intermediate|
| Which keyword is used to provide explicit access of a code block to single thread ? |
|Explain multithreading in Java ?|
|Can constructors be synchronized in Java ?|
|Why do we need Thread class even in case we execute thread using runnable interface ?|
|If you need to consume messages from the queue faster, which approach will you recommend - batching or concurrency ?|
|What is race condition ?|
|What is the use of runnable interface if we can always create a new thread using Thread class ?|
|Why threads block or enters to waiting state on I/O?|
|Name few classes that extend Thread class ?|
|Name few Threads related classes and interfaces ?|