JDK工具手册，本文件为?java平台的API规范，标准版。JDK1.8 API 中文版,学习JAVA的必备手册，中文版，希望对广大初学者有所帮助。(JDK1.8 API Chinese version, learning the necessary manual JAVA, Chinese version, I hope the majority of beginners help.)

用与java初学者查看java api，英文不好的使用，建议跟英文版一起对照看，有利于职业英文学习(With java beginners to view Java API, English is not good to use, it is recommended to be compared with the English version. It is good for English learning.)