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1.2 : Understand Java EE Platform (Java EE( Enterprise Edition) Platform…
1.2 : Understand Java EE Platform
Java EE( Enterprise Edition) Platform
Standard in community-driven enterprise software
Developed using Java Community Process, with contributions from industry experts
Integrates new features that aligns with industry needs
Provides API and runtime enviroment for developing and running large scales,multi tiered,scalable,reliable and secure network application
Java EE vs Java ME vs Java SE
All platforms consist o a Java Virtual Machine(VM) and an application programming interface
Can run on any compatible systems with all the advantages of Java programming language
API is a collection of software components that can uses to create other software components
Java Virtual Machine is a program for a particular hardware and software platform
Java SE
Java SE's API provides the core functionality of the Java programming language
It defines everything on the basic types and objects of the Java programming language to the high level classes that are used for networking,security,database access,GUI development and GSM parsing
Consists pf a virtual machine,development tools,deployment technologies and other classes libraries and tool kits commonly used in Java technology application
Java ME
Provides API and a small-footprint virtual machine for running Java programming language on small devices like mobile phones
The API is a subset to the Java SE's API along with the special class libraries useful for small devices application development
Java Enterprise Platform
Presentation Logic Layer-Top most layer of an application. The main functionality is to communicate with Business layer
Business Logic Layer- Act as mediator between Presentation and Database Layer
Data Access Logic Layer- Data is stored in this layer to communicates with Database Layer to retrieve data
Various Technologies in Java EE