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Is servlet 3.1 under JavaEE 7?
Which version of eclipse supports servlet 3.1 development?
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The current version of Servlet is 5.0.
There are two main types of Servlet. They are Generic and HTTP servlets. We can use the constructor method to initialize the Servlets with the help of init() and the destructor method to remove the servlet from the resources using destroy().
Servlet 3.1 vs Servlet 3.0 along with others too
+=============+================+====================+=============================================================================+
| VERSION | DATE | JAVA EE / JDK | FEATURES / CHANGES |
+=============+================+====================+=============================================================================+
| Servlet 3.1 | May 2013 | JavaEE 7 | Non-blocking I/O, HTTP protocol upgrade mechanism |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 3.0 | December 2009 | JavaEE 6, JavaSE 6 | Pluggability, Ease of development, Async Servlet, Security, File Uploading |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.5 | September 2005 | JavaEE 5, JavaSE 5 | Requires JavaSE 5, supports annotation |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.4 | November 2003 | J2EE 1.4, J2SE 1.3 | web.xml uses XML Schema |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.3 | August 2001 | J2EE 1.3, J2SE 1.2 | Addition of Filter |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.2 | August 1999 | J2EE 1.2, J2SE 1.2 | Becomes part of J2EE, introduced independent web applications in .war files |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.1 | November 1998 | Unspecified | First official specification, added RequestDispatcher, ServletContext |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 2.0 | | JDK 1.1 | Part of Java Servlet Development Kit 2.0 |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
| Servlet 1.0 | June 1997 | | |
+-------------+----------------+--------------------+-----------------------------------------------------------------------------+
Source
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