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package singleton;
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/*
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* 枚举方式, 不仅解决了线程同步，也防止了反序列化
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* */
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public enum Singleton8 {
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INSTANCE;
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public static void main(String[] args) {
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for (int i=0; i< 100; i++){
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new Thread(() -> System.out.println(Singleton8.INSTANCE.hashCode())).start();
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}
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}
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}
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