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itarticle Jekyll 前面1. 预先加载法2. 延迟加载法 (考虑多线程)3. 双重检测(考虑多线程)4. initialization on demand holder (考虑多线程)总结 1. 预先加载法 2. 延迟加载法 (考虑多线程) 3. 双重检测(考虑多线程) 4. initialization on demand holder (考虑多线程) 总结 0
