JAVA Apidoc Official Document download address

JDK API Help Documentation:

JDK 5:
Java SE 5 API Chinese version CHM download: http://download.java.net/jdk/jdk-api-localizations/jdk-api-zh-cn/builds/JDK_API_1_5_zh_ Cn.chm
JAVASE5 EN downloads:http://javadoc.allimant.org/dist/jdk150.zip

JDK 6:

JDK6 API Chinese version download: https://jdk-api-zh-cn.dev.java.net/
JDK6 API Chinese HTML format online document: http://download.java.net/jdk/jdk-api-localizations/jdk-api-zh-cn/builds/latest/html/ zh_cn/api/
JDK6 API Chinese version zip format download: http://download.java.net/jdk/jdk-api-localizations/jdk-api-zh-cn/builds/latest/html_zh_ Cn.zip
JDK6 API chm Chinese reference download: Http://chinesedocument.com/upimg/soft/JDK6API Chinese reference 070114.rar
Java SE 6 API Chinese version CHM download: http://download.java.net/jdk/jdk-api-localizations/jdk-api-zh-cn/publish/1.6.0/chm/JDK_ Api_1_6_zh_cn.chm

zip Format: http://download.java.net/jdk/jdk-api-localizations/jdk-api-zh-cn/publish/1.6.0/html_zh_CN.zip
中文版 Version:http://javadoc.allimant.org/dist/j2se6.zip

JDK 7:
中文版 verson:http://download.java.net/jdk7/docs/api/
Http://www.java.net/download/jdk7/archive/b138/jdk-7-ea-bin-b138-apidocs-14_apr_2011.zip

JAVA Apidoc Official documentation