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2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article mainly explains "what is the web singleton pattern optimization code". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the web singleton pattern optimization code".
Public class Singleton1 {
Private static Singleton1 instance = null;private Singleton1 () {} public static Singleton1 getInstances () throws InterruptedException {if (instance = = null) {/ / for optimization, if instance is not empty, return instance object synchronized (Singleton1.class) {if (instance = = null) {Thread.sleep (100) Instance = new Singleton1 ();} return instance;}} return instance;}
}
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