OAF

 JSP, Java Beans, JDBC, Different components of Java application, Event handling, Concept of cookies.


JSP — Java Servlet Page is a Java program that compiles and generates a class file called ‘Servlet’.

Java Servlet — A servlet is a small Java program that runs within a web server.

Features of Java Servlet:

1. Receives and responds to requests from web clients

2. Functions without a specific protocol (A protocol is a set of rules determining the format and transmission of data)

3. Multi-threaded – a single object can service multiple clients


Servlets job is to serve. It takes the request from client, figure out the data passed by the client, perform processing and send back the response.


Tool: JDeveloper 10G (R12.1.3 Version)

Language: Core Java

Application Server: Apache (R1213) and Weblogic (R1224)


MVC Architecture:

Model — Business Logic — This layer is implemented using technology/ library called BC4J (Business Component for Java) — We have three modules — 1) AM (Application Module) 2) VO (View Object) 3) EO (Entity Object)

View — UI (User Interface) — This layer is implemented using technology/ library called UIX (User Interface for XML)

Controller — Handling Events (ButtonEvent, Click..etc) — This layer is implemented using API called OAControllerImpl (OAControllerImplementation)

Source: ebsguide.com/oaf/

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