Attributes and Parameters in Servlets - Coddicted

Attributes and Parameters in Servlets

   Attributes  Parameters
 Types 1. Application/context
2. Request
3. Session
 1. Application/context init parameters
2. Request parameters
3. Servlet init parameters
 Method to set  setAttribute(String name, Object value)  You CANNOT set Application and Servlet init parameters—they’re set in the DD,
 Return type  Object  String
 Method to get  getAttribute(String name) 
return type of the method is Object 
 getInitParameter(String name)
return type of the method is String

 

source : Head First Servlets and JSP

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