Java2007-02-22
J2EE Components
J2EE applications are made up of components. A J2EE component is a self-contained functional software unit that is assembled into a J2EE application with its related classes and fi
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Java2007-02-22
J2EE Clients
A J2EE client can be a Web client or an application client. Now we will see about both web client and application client in this article.
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Distributed Multi-tiered Applications
The J2EE platform uses a multi-tiered distributed application model. Application logic is divided into components according to function, and the various application components that
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Developer roles in J2EE
During the process of deployment there are three kinds of developer roles.
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J2EE Container Types
The deployment process installs J2EE application components in the J2EE containers. The containers are explained here.
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Application Assembler in J2EE
The application assembler is the company or person who receives application component JAR files from component providers and assembles them into a J2EE application EAR file.
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Java2007-02-20
Declaring objects in Java
When you create a class, you are creating a new data type. You can use this type to declare objects of that type. However, obtaining objects of a class is a two-step process. First
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Class Fundamentals in Java
Classes have been used since the beginning of java. However, until now, only the most rudimentary form of a class has been used. The classes created in the preceding chapters prima
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A simple Box class in Java
Here is a class called BOX that defines three instance variables: width, height, and depth. Currently, Box does not contain any methods
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Types of EJB
There are three types of Enterprise Java Beans namely session beans, entity beans and message driven beans. This tutorial briefly explains these types of EJB.
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The Benefits of OOP
OOP offers several benefits to the program designer and the user. Object-orientation contributes to the solutions of many problem associated with the development and quality of sof
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Polymorphism and Method Overloading in Java
Polymorphism is the ability of an object to take on multiple forms. In Java, it can be achieved through method overriding and method overloading.
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