Andrew Lygin questions

Andrew Lygin answers

• Rust IDE not detecting Result from error_chain, thinks I'm using the std::result::Result
• What does Keep-Alive-Timer mean in JVisualVM Threads investigator?
• Is it ok and safe to work with references passed to constructor - Java
• Is Map of Locks a safe approach for concurrent operations
• ArrayList and HashSet memory allocation strange test results
• Use CompletableFuture on ForkJoinpool and avoid thread waiting
• does java garbage collection securely wipe out garbage data?
• Java Concurrency control multiple locks
• What happens if a thread tries to acquire a lock that it already holds?
• Java ExecutorService - What if awaitTermination() fails?