*Java开发手册（纪念版）》于2017年11月30日正式对外发布，历经358的旅程，我们的PDF版本陪伴大家走过来，有挖苦讽刺，有闲言碎语，但是更多的是支持鼓励，添砖加瓦，*也认真听取了反馈建议，修正达9次之多，一步步趋近于亚完美，后续，我们会改为GITHUB在线维护。这是史上内容最全、修正最为彻底的一个版本，并且增加了单元测试规约内容，这也是阿里官方对外发布的最后一个PDF版本，值得纪念，更值得收藏。(Alibaba Java Development Handbook (Commemorative Edition) was officially released in November 30, 2017, after 358 of the journey, our PDF version accompanied people to come, sarcasm and gossip, but more support and encouragement, the Alibaba also listened to the feedback suggestions, the revision reached more than 9 times Step by step towards sub perfection, then we will change to GITHUB online maintenance. This is the most complete, most thorough version of the history, and added the content of the unit test protocol, which is the last PDF version of Ali's official release. It is worth remembering and more worthy of collection.)