What is “non-blocking” concurrency and how is it different than normal concurrency?

Question

1. What is \"non-blocking\" concurrency and how is it different than normal concurrency using threads? Why don\'t we use non-blocking concurrency in all the scenarios where

Answer 1

1) Non-blocking synchronization means that the risk of deadlocks is removed. No one thread will wait to get a lock held by another thread "forever".

2) More on non-blocking synchronization algorithms in java.