Sunday, 29 July 2012

object specification in CCFD


object specification
Object Design is an activity during which developers develop custom objects to bridge the gap between the application objects and off-the-shelf components by identifying additional solution objects and refining objects.
Object design includes:
Reuse: During which developers identify off-the-shelf components and design patterns to make use of existing solutions.
Service Specification: During which developers precisely describe each class interface.
Object Model Restructuring: During which we transform the object design model to improve its understandability and extensibility.
Object Mode Optimization: During which developers transform the object design model to address performance criteria such as response time, memory utilization.
Specification inheritance & Implementation inheritance:
Inheritance is the best way to implement the most critical tasks that are well defined in the Operating System. These operations are present in the system, we need not develop any new method, and just we extract and extend the methods present. The exam operations present in the system are fallows there are some other methods that are inherited and can be used to implement the system with ease by reducing the coding activity.
 Selecting patterns:
In the system design and other phases implemented we defined more goals in different manner with a complexity in them. To achieve all these goals we need to define architecture, which enables us to deal with complexity and allow flexibility to deal with change later in development process.

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