如题所述
public class LazyInitHolderSingleton {
private LazyInitHolderSingleton() {
}
private static class SingletonHolder {
private static final LazyInitHolderSingleton INSTANCE = new LazyInitHolderSingleton();
}
public static LazyInitHolderSingleton getInstance() {
return SingletonHolder.INSTANCE;
}
}
private LazyInitHolderSingleton() {
}
private static class SingletonHolder {
private static final LazyInitHolderSingleton INSTANCE = new LazyInitHolderSingleton();
}
public static LazyInitHolderSingleton getInstance() {
return SingletonHolder.INSTANCE;
}
}
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