Java Servlet Programing Laungage

Java Servlet Tutorial

Servlet Introduction

Servlet Life Cycle

Non Life Cycle Method of Servlet Interface

How to run the Servlet program

Servlet Exception Handling

Implementation of GenericServlet

Difference between HttpGet() and HttpPost()

Difference between Attributes and Parameters

First Servlet Program

State Management

Servlet Cookies

HttpSession Object

Commonly used methods of HttpSession

Servlet sendRedirect

Example of sendRedirect

How a Servlet Works

Six steps to running your first Servlet

Play Video song using servlet

Manipulating multiple value parameters

Java Servlet Projects

Servlet Project 3

Java Servlet Examples

access servlet information

count number of time servlet access

display digital clock in servlet

access servlet cookie

getting information about session

Enumeration form values

Iterator form values

generate Fibonacci series

generate random numbers

generate random values

read data from file

write data into file

upload (save) file in hard disk

upload (save) multiple file in hard disk

store data into List

Java Servlet Interview materials

Servlet subjective question

Servlet Interview question

Servlet Objective question

Java Servlet :Commonly used methods of ServletContext interface

getInitParameter() is used to obtain the value of an initialization parameter.
Syntax
```
		public String getInitParameter(String pName);
		
```
getInitParameterNames() returns an enumeration for the name of all initialization parameters stored in ServletContext object.
Syntax
```
		public Enemeration getInitParameterNames();
		
```
setAttribute() is used to store an attribute in application scope.
Syntax
```
		public void setAttribute(String name,Object value);
		
```
getAttribute() is used to obtain the value of an attribute.
Syntax
```
		public Object getAttribute(String name);
		
```
getAttributeNames() returns an enumeration for all the attributes saved in application scope.
Syntax
```
		public Enumeration getAttributeNames();
		
```
removeAttribute() is used to remove an attribute from the application scope.
Syntax
```
		public boolean removeAttribute(String name);
		
```
getContext() is used to obtain the reference of ServletContext object of the specify application.
Syntax
```
		public ServletContext getContext(String appName);
		
```

getRequestDispatcher() is used to obtain a requestDispatchet object.

Syntax

		public RequestDispatcher
		getRequestDispatcher(String url of Resource);

getRealPath() is used to find out actual path of resource an a server.
Syntax
```
		
		public String getRealPath(String url);
		
		
```

Java Topics

Core Java Programming Language

Servlet Programming Language

Java Server Pages (JSP)

Struts Framework

Spring Framework

Hibernate Framework

APIS( iText & POI)

Java 2 Platform, Micro Edition (J2ME)

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