Java2007-02-22
Developer roles in J2EE
During the process of deployment there are three kinds of developer roles.
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Java2007-02-22
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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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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Java2007-02-20
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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Polymorphism, Encapsulation and Inheritance in Java
When properly applied, polymorphism, Encapsulation and Inheritance combine to produce a programming environment that supports the development of far more robust and scaleable progr
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J2EE Server Support for Application Components
The J2EE servers provide deployment, management, and execution support for conforming application components. Application components can be divided into three categories according
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J2EE Services
The Java Authentication and Authorization Service (JAAS) enables services to authenticate and enforce access controls upon users. It implements a Java technology version of the sta
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J2EE Architecture
The required relationships of architectural elements of the J2EE platform are shown in Figure below. Note that this shows the logical relationships of the elements; it is not meant
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