enterprise java bsc it pdf

Veröffentlicht am: 03 Dezember 2024
auf dem Kanal: CodeMore

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sure! below is a structured outline for a tutorial on "enterprise java" that would be suitable for a bachelor of science in information technology (bsc it) program. this tutorial will cover the fundamental concepts, technologies, and a basic code example in java ee (jakarta ee).

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enterprise java tutorial

table of contents
1. *introduction to enterprise java*
2. *java ee architecture*
3. *key java ee technologies*
3.1 servlets
3.2 javaserver pages (jsp)
3.3 enterprise javabeans (ejb)
3.4 contexts and dependency injection (cdi)
3.5 java persistence api (jpa)
4. *building a simple web application*
4.1 setting up the environment
4.2 creating a simple servlet
4.3 using jsp for presentation
4.4 connecting to a database with jpa
5. *conclusion*
6. *references*

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1. introduction to enterprise java

enterprise java is a set of specifications and technologies that allow developers to build scalable, robust, and secure enterprise-level applications using the java programming language. java ee (now jakarta ee) provides a rich set of apis for building multi-tiered applications.

2. java ee architecture

java ee applications are typically structured in a multi-tier architecture:

**presentation tier**: user interface (ui) logic (e.g., servlets, jsp).
**business tier**: business logic (e.g., ejb).
**persistence tier**: data access logic (e.g., jpa).
**integration tier**: external systems integration (e.g., jms, rest).

3. key java ee technologies

3.1 servlets

servlets are java classes that handle requests and responses in a web application. they can process input, manage sessions, and generate dynamic content.

3.2 javaserver pages (jsp)

jsp allows for the creation of dynamic web content using html and java. it simplifies the development of web pages by embedding java code into html.

3.3 enterprise javabeans (ejb)

ejb is a server-side software component that encapsulates business logic. it prov ...

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