23 What does Servlet do? Overview | Adv Java Servlet programming Tutorial | advance java tutorial

#What #does #Servlet #do? #Adv #Java #Servlet #programming #Tutorial #advance #java #tutorial
#Request's and #Response's:
#What is a request?
#What is a response?
#HTTP:
#HTTP GET and POST:
#Servlet Life Cycle Methods:
#Who Controls the servlet lifecycle?
#What things that you can do in doGet() and doPost()
#Scope Objects:
#Four Scope Objects : Accessibility
#Four Scope Objects : Class
#What is the use of ServletContext for web aplication?
#Scope of ServletContext:
#How to access ServletContext Object?
#What's the need of HttpSession?
#How to get HttpSession:
#What is ServletRequst:
#Getting Client Information:
#Getting Server Information:
#Getting Misc. Information:
#What is HTTP Servlet Request:
#HTTP Request URL:
#http://localhost:8080/hello1/greeting?username=Yogesh+Bhosale
#Context Path, Query, Parameter Methods:
# HTTP Request Headers:
#HTTP Header Methods:
#Authentication & User Security Information Methods:
#Cookie Method (in HttpServletRequest)
# What is Servlet Response?
#Why do we need HTTP Response Status Codes?
#Methods for setting HTTP Response status codes:
#Common Status Codes:
#Methods for sending Error:
#Why in Http Response Headers?
#Methods for setting ArbitraryResponse Headers:
#Methods for setting common Response Headers:
#Common HTTP 1.1 Response headers:
#Body in HttpResponse:
# How to handle Errors:
#Example: Setting Error Pages in web.xml
#javax.servlet package:
#javax.servlet.http package:
#public interface HttpSession:
#public interface SingleThreadModel :
#public interface RequestDispatcher: