Rose India servlet training is provided to develop server-side applications using servlets for control and flow of e-business applications. This Servlet Training course will enable you to build servlets according to Servlet 2.3 specification and integrate servlets into a complete Java EE application. Besides the trainee will be able to access and manipulate databases from a servlet and maintain user session information. So enroll today for Rose India's Servlet Training course. 

Course Details:

Course 1:

Understanding Java Servlets 

• What are Servlets? Servlets Vs Applets.
                 
• Comparing Servlets with the CGI scripts
• How servlets fits in the distributed environments.
              
• What is a web application?
               
• Role of a web application server. 
• What does a Webserver do?
            
• What are Servlet Containers?
                
• How does it Handles the HTTP Requests? 
• Tomcat web server: Understanding Servlet Containers.
             
• Architecture of servlet package
             
• Advantages the Servlet API 

Structure and deployment 

• Directory structure of a web application 
                  
• Understanding the document root directory 
• Understanding the WEB-INF directory 
• The web archive (WAR) file 
• Difference between jar & war files? 
• Configuring a web application. 
          
• The deployment descriptor: an overview 
               
• A simple deployment descriptor 
• Using the <servlet> element 
• Using the <servlet-mapping> element 
• Mapping a URL to a servlet 

Course 2: 

The Servlet model 

• Sending requests.
         
• Web browsers and HTTP methods.
• Comparing HTTP methods.
             
• Servlet life cycle
                  
• Loading and instantiating a servlet.
• Initializing a servlet. 
• Servicing client requests. 
• Destroying a servlet . 
• Unloading a servlet. 
• Servlet state transition from the servlet container's perspective. 
              
• ServletConfig
                
• Define Servlet Config
• ServletConfig methods 
              
• ServletContext:
              
• Sharing the data (attribute scopes) 
• Coordinating servlets using RequestDispatcher 
• Redirect Vs RequestDispatcher. 

The servlet container model 

• Initializing ServletContext 
• Listeners
              
• Understanding application events and listeners.
• ServletContextListener 
• HttpSessionAttributeListener etc 
         
• Web applications in a distributed environment. 

Course 3: 

Session management

• About Session
             
• Understanding state and sessions 
             
• About HTTP 
• Session Tracking methods:
               
• Hidden Form Fields:
              
• Cookies
• About cookie 
• Creating Cookie 
• Add Cookie to the response 
• Get Cookie from the request 
• More methods of cookie object 
• Understanding the benefits and drawbacks of cookies 
• URL Rewriting

• About URL rewriting.
• Understanding the benefits of URL rewriting. 
            
• Session Tracking API:

1. Obtaining a session object
2. Setting information to the session
3. Getting information from session 
4. Deleting information from session
5. Invalidating session

Developing thread-safe servlets

• Understanding the multithreaded servlet model
• Understanding the single-threaded model
• Variable scopes and thread safety
• Attribute scopes and thread safety Context scope 

Context scope 
Session scope 
Request scope

• Creating thread safe servlet
              
• Synchronizing block of code
• Synchronizing method
• Using SingleThreadModel interface

Course 4: 

Servlet Filters 

• Filter and Servlet
   
  Filter Life Cycle
  Processing filters 
  Programming Filters
           
• Configuring Filters
   
  Declaring Filter
  Declaring Filters with initialization parameter 
  Declaring Filter mapping to a URL pattern
  Declaring Filter mapping to a servlet name
            
• Container's rule for ordering filters 
   
  Using filters to do pre-processing
  Using filters to block response 
  Using filters to modify response
  Programming Customized Requests and Responses

Handling server-side exceptions 

• Handling exceptions programmatically 
• Handling exceptions declaratively 
• Using declarative exception handling 
• Using Request Dispatcher to handle exceptions. 

Course 5: 

Accessing Databases with JDBC 

• Overview of JDBC technology
• JDBC drivers 
• Basic steps in using JDBC 
• Retrieving data from a ResultSet 
• Using prepared and callable statements 
• Handling SQL exceptions