jdk api 1.6 中文版，现在1.7以及1.8均未出现中文版，提供1.6中文版方便初学者学习参考，欢迎大家积极下载学习。(JDK API 1.6 Chinese version, now 1.7 and 1.8 have not appeared in the Chinese version, to provide 1.6 Chinese version, easy for beginners to learn reference, welcome everyone to actively