目前主要的JDK有Oracle(原SUN)、HP、IBM，各厂商JDK版本信息参考如下，以便于安装部署时确认JDK类型和版本。

一、Oracle JDK

java version "1.6.0_26"

Java(TM) SE Runtime Environment (build 1.6.0_26-b03)

Java HotSpot(TM) Client VM (build 20.1-b02, mixed mode, sharing)

二、HP JDK

java version "1.6.0.06"

Java(TM) SE Runtime Environment (build 1.6.0.06-jinteg_20_jan_2010_05_50-b00)

Java HotSpot(TM) Server VM (build 14.3-b01-jre1.6.0.06-rc1 PA2.0 (aCC_AP), mixed mode)

说明：从上面信息看出是基于HP PA芯片的1.6.0.06版本JDK。HP JDK的内核也是Oracle JDK，从其官网上也能看出，如下：

? Version 6.0.11 – July 2011 (includes Oracle update 6u26)

? Version 6.0.10 – March 2011 (includes Oracle update 6u24)

? Version 6.0.09 – December 2010 (includes Oracle update 6u22)

三、IBM JDK

java version "1.6.0"

Java(TM) SE Runtime Environment (build pap6460sr9fp2-20110627_0