Servlets Tutorial 14-For Beginners | HttpServlet | doGet | doPost | In Hindi

3,304 views · Published 11 March 2018 · 17:18 · Indexed 23 October 2026

Channel: AndroJavaTech4U · 2018 · Science & Technology

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OverView of HttpServletClass:-
class HttpServlet extends GenericServlet
{
public void service(ServletRequest req,ServletResponse res)throws ServletException,IOException
{
}

protected void service(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
String name=request.getMethod();
if(name.equals("get"))
doGet(req,res);
else
doPost(req,res);
}
protected void doGet(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
}
protected void doPost(HttpServletRequest req,HttpServletResponse res)throws ServletException,IOException
{
}
}

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Eclipse Download Url-
http://www.eclipse.org/downloads/
Apache Tomcat Url-
https://tomcat.apache.org/download-80.cgi
Servlet Interface
Methods of Servlet interface
There are 5 methods in Servlet interface. The init, service and destroy are the life cycle methods of servlet. These are invoked by the web container. 
1. public void init(ServletConfig config)  
2. public void service(ServletRequest request,ServletResponse response)  
3. public void destroy()  
4. public ServletConfig getServletConfig()  
5. public String getServletInfo()  

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