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An analogous 'self-contained functional' HARDware unit would be the hard drive in your PC
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An analogous 'self-contained functional' HARDware unit would be the hard drive in your PC

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A software unit is a class that implements a Business Object or Business Service. &nbsp;An example would be the classic Order processing example. &nbsp;Some of the software units would be the Customer Object, Order object and the Order Service. &nbsp;The Customer and Order Business object would contain all of the logic for accessing an Customers and Orders from persistence(e.g. database). &nbsp;The Order Service would handle the logic for Customers making Orders. &nbsp;All of these objects could be combined using J2EE components to make a J2EE Application.<br />

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A software unit is a class that implements a Business Object or Business Service.  An example would be the classic Order processing example.  Some of the software units would be the Customer Object, Order object and the Order Service.  The Customer and Order Business object would contain all of the logic for accessing an Customers and Orders from persistence(e.g. database).  The Order Service would handle the logic for Customers making Orders.  All of these objects could be combined using J2EE components to make a J2EE Application.


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&gt; what is &quot;self-contained functional software unit &quot;&nbsp;mean in the following?<br />
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A &quot;self contained functional software unit&quot; is an application or part of an application which has been constructed or adapted for use as separate functional unit.
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> what is "self-contained functional software unit " mean in the following?

A "self contained functional software unit" is an application or part of an application which has been constructed or adapted for use as separate functional unit.

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what is &quot;self-contained functional software unit &quot;&nbsp;mean in the following?<br />
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J2EE applications are made up of components. A J2EE component is a self-contained<br />
functional software unit that is assembled into a J2EE application with its<br />
related classes and files and that communicates with other components.<br />
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what is "self-contained functional software unit " mean in the following?

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 files and that communicates with other components.



self-contained functional software unit ?

Java is a platform-independent, object-oriented programming language and run-time environment, designed to have as few implementation dependencies as possible such that developers can write one set of code across all platforms using libraries. Most devices will not run Java natively, and require a run-time component to be installed in order to execute a Java program.