double-check
There are 3 repositories under double-check topic.
githubofrico/ThreadsafeSingletonAndUnthreadsafeSingleton
Java单例模式及其多线程下的实现,包括六种线程安全实现和一种非线程安全实现(经典懒汉式)。
RomanQed/jfunc
A generalized lightweight set of lambda interfaces and some implementations that adds the necessary functionality that is not available in the standard sdk.
pontazaricardo/Singleton-Demo
This is an example of a DMC implementation. In this project we use the singleton design pattern and use a basic thread-locking protection (double checked locking).