Is this a better version of Double Check Locking without volatile and synchronization overhead
With double-checked locking, does a put to a volatile ConcurrentHashMap have happens-before guarantee?
Why is this code working without volatile? What is Volatile in Java and when/how should we use them? How to break double checked locking without volatile Java synchronization(object locking) not working as expected Synchronization as an alternative to a volatile declaration java Volatile/synchronization on arraylist Difference between synchronization of field reads and volatile Is it a good practice to create and use String objects for locking in thread synchronization? Non volatile double checked locking, is it possible? Lazy initialization without synchronization or volatile keyword thread synchronization and volatile keyword volatile in double-checked locking in Java Uses of volatile without synchronization Synchronization double check locking after for android? Double-checked locking without volatile Why no volatile? Map synchronization with double check locking Why is volatile used in double checked locking Broken synchronization without volatile variable What for volatile stuff in Double check? Can I avoid the volatile read in double checked locking once initialized like this? When to use volatile vs synchronization in multithreading in java? Java synchronization/locking Why don't we need volatile with StampedLock? Double checked locking lazy Initialization - Do I need to have volatile keyword for the Map Locking by synchronization Locking and synchronization between outer and inner class methods? Volatile is better than locking in which cases? Java- Synchronization/Locking across multiple files