摘要：一个简单清晰的单例模式例子。转自：http://pratapreddypilaka.blogspot.com/2011/12/singleton-pattern-load-balancer.htmlSingleton Pattern : Load Balancer DemonstrationSingleton Pattern : This is a pattern which is widely used when there is a situation to create only one instance of a class.Lets demonstrate the pattern u 阅读全文