并发环境下延迟加载Singleton实例的终极方案：Initialization-on-demand holder idiom
相信你对这个问题已经很熟悉了：并发环境下如何延迟加载Singleton Instance ?
Java代码
public class Expensive {
private static Expensive instance;
p
public static Expensive getInstance() {
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2014-11-19 17:32:58 ·
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