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revawmbkzr1

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    2) Component technology A component is an interchangeable,
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    2) Component technology A component is an interchangeable,

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    or its components can be reused in other systems.
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    or its components can be reused in other systems.

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    Software reuseReusability is the extent to which a system and
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    Software reuseReusability is the extent to which a system and

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    2.10 Components and Software Reuse A component (component) is a relatively functionally
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    2.10 Components and Software Reuse A component (component) is a relatively functionally

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    Five system views: logical view, process view, implementation view,
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    Five system views: logical view, process view, implementation view,

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    public classification (generic division) and extension mechanisms. Rules
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    public classification (generic division) and extension mechanisms. Rules

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    These are things, relationships and diagrams.
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    These are things, relationships and diagrams.

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    The UML has three basic constructs
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    The UML has three basic constructs

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    , starting with requirements analysis.The structure of UML:
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    , starting with requirements analysis.The structure of UML:

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    is a well-defined, easy to express, powerful and universally applicable modelling language
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    is a well-defined, easy to express, powerful and universally applicable modelling language

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    , and produce different execution results
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    , and produce different execution results

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    where one object requests a service by sending a message to another object
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    where one object requests a service by sending a message to another object

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    and information can only be exchanged between objects through interfaces. Messages:
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    and information can only be exchanged between objects through interfaces. Messages:

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    Inheritance is a central idea that distinguishes object-oriented methods from other methods.
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    Inheritance is a central idea that distinguishes object-oriented methods from other methods.

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    For two classes A and B, if class A is a subclass of class B,
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    For two classes A and B, if class A is a subclass of class B,

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