为啥Win8之后版本号直接蹦到10了？

posted by wap, platform: Chrome
jdk的源码
if (os.startsWith("Windows 9" || os.equals("Windows Me") {
      throw new RuntimeException(
          "This provider is not supported on this version of Windows";
}
http://hg.openjdk.java.net/jdk6/jdk6/jdk/file/ca2c9f498b70/src/windows/classes/sun/tools/attach/WindowsAttachProvider.java