com.oreilly.servlet
类 VersionDetector

java.lang.Object
  com.oreilly.servlet.VersionDetector

public class VersionDetector
extends Object

A class to determine the current Servlet API version number, and the current JDK version number. It looks at the available classes and variables to make the determination. The class can detect Servlet API versions up to 2.2, and JDK versions up to 1.3.

It can be used like this:

 String servletVersion = VersionDetector.getServletVersion();
  
 String javaVersion = VersionDetector.getJavaVersion();




版本：
  
1.3, 2002/04/22, added detection of JDK 1.5 and Servlet API 2.4, 1.2, 2001/04/11, added detection of JDK 1.4, 1.1, 2000/09/22, added detection of Servlet API 2.3, 1.0, 2000/02/08
作者：
  
Jason Hunter, Copyright © 2000








构造方法摘要
VersionDetector()



           
 



方法摘要




static String
getJavaVersion()



          Determines the JDK version number.



static String
getServletVersion()



          Determines the Servlet API version number.


 
从类 java.lang.Object 继承的方法
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 





构造方法详细信息



VersionDetector
public VersionDetector()






方法详细信息



getServletVersion
public static String getServletVersion()

Determines the Servlet API version number.



返回：
a String representation of the servlet version





getJavaVersion
public static String getJavaVersion()

Determines the JDK version number.



返回：
a String representation of the JDK version