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Overview
of J2EE
·
Middle
Tier Services. Types of clients supported. · J2EE Architecture. Role of J2EE server. ·
EJB
Container. Transaction Management. Security. Remote Client
Connectivity. Life cycle management. ·
Web
Container. Components supported by web containers. Interaction with
EJB container. ·
HTML.
Forms to process user input. Validating. JDBC
·
How
to connect to databases in Java. ·
JDBC
Drivers. Types of drivers. Responsibility. ·
ODBC
Bridge. Alternative method to connect to databases. Compare with
JDBC drivers. ·
Connecting
to Databases. The Driver manager. Executing Queries using SQL. Java
classes to use for different types of queries. Store procedures. ·
Processing
Results. SQL types. Identifying most convenient way to retrieve
data. ·
Database
connection pooling. Minimizing number of connections open.
Java
Servlets
·
Characteristics.
Generating dynamic HTML pages. ·
Servlets
vs. CGI. Multiprocessing in CGI. Multithreading in Java Servlets.
Advantages. ·
Basic
Servlet Architecture. Managing servlets lifecycle. ·
HTTP
servlets. Interacting with clients. HTTP methods and their relation
with servlet methods. ·
Processing
requests. The HttpServletRequest class. ·
HTTP
sessions. Managing stateful sessions in the stateless HTTP. Saving
states of the application. ·
Servlet
Environment. Servlet engines. Configuration ·
Client-Side
data and cookies. How the browser handles cookies. Domain, expire
date and name of cookies. Limitations. |
JavaServer
Pages ·
Advantages
of JSP. Relations of JSP and servlets. Converting JSP to servlets. · JSP
Architecture. Comparing JSP to ASP. Implementing the MVC model in
JSP pages. ·
Including
Files. Forwarding requests. Scope of objects. ·
Implicit,
Session, Request and Application objects Enterprise
Java Beans
·
EJB
architecture. Role of Enterprise Java Beans. ·
Entity
Beans. Relating Entity Beans to databases. ·
Session
Beans. Implementing business logic. ·
Comparing
Session Beans to Entity Beans. Java
Beans vs. Enterprise Java Beans. · Enterprise
Java Beans in a distributed environment. ·
Database
Access and development Phases of EJB. Entity
Beans
·
Characteristics.
Persistence of Entity Beans. ·
Bean-Managed
Persistence. Relation of EJB methods. ·
Container-Managed
Persistence. ·
Parts
of an entity bean. Home and remote interfaces. ·
EJB
container controlling life cycle of Entity Beans. ·
Deployment.
Specifying transaction management. Session
Beans
·
Characteristics
of Session Beans. Representing clients inside the J2EE server. ·
Home
and Remote Interfaces. Session Bean class. Stateful Session Beans.
Retaining the state of the client. ·
Stateless
Session Beans. Support for multiple clients. ·
Life
Cycle of Session Beans. Role of the container. ·
Stateful
vs. Stateless session beans. Putting
it all together
· The Server-Side Development Environment.
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