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ADVANCE WEB DEVELOPMENT (COMPONENT WEB APPLICATION (Presentation Logic (In…
ADVANCE WEB DEVELOPMENT
TECHNOLOGIES IN JAVA EE
Java Application
- The Java EE application model begins with the Java programming language and the Java virtual machine
- Support applications that implement enterprise services for customers,employees, suppliers , partners, and others who make demandson or contributions to the enterprise.
Java Applet
- A Java program that is called from a web page and downloaded from a server.
- Do not have access to all the resources in the user's computer.
- They are "sandboxed" - to mitigate system failures or software vulnerabilities from spreading
HTML For Client Side
- Client-end scripts are embedded in a website's HTML markup code, which is housed on the server in a language that's compatible with, or compiled to communicate with, the browser
- The browser temporarily downloads that code, and then, apart from the server, processes it.
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JAVA EE ARCHITECTURE
- The component-based and platform-independent Java EE architecture makes Java EE applications easy to write because business logic is organized into reusable component
- Java EE server provides underlying services in the form of a container for every component type.
- Java EE architecture provides configurable services means that application components within the same Java EE application can behave a differently based on where they are deployed
SERVELET API
- An extension to Java that provides a programming interface(API) for implementing server-side programs written in Java(Java servlets)
- Receives client request
- Extract some information the request
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