-How would you check on Unix, if particular process is alive/running on the machine?
-What is the difference between TCP and UDP?
-How would you prevent deadlock in Java program?
-How would you implement thread-safe counter?
-What are benefits of using ConcurrentHashMap vs synchronized HashMap?

Question

-How would you check on Unix, if particular process is alive/running on the machine?
-What is the difference between TCP and UDP?
-How would you prevent deadlock in Java program?
-How would you implement thread-safe counter?
-What are benefits of using ConcurrentHashMap vs synchronized HashMap?

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