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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Derive high-level design from specification
   • Gather and determine specifications in object-oriented design
   • Create static class diagram according to given set of specifications
   • Develop communication diagrams and sequence diagrams according to given set of specifications
   • Develop activity diagram and state diagram using given set of specifications
   • Investigate and refine behaviour, state of classes and collaboration between classes
   • Validate visibility of class services and state data
   • Identify generalisations and specialisations within classes
   • Refine class design and apply aggregation and composition principles
   • Create detailed unified modelling language (UML) static class diagrams
   • Develop detailed UML communication and sequence diagrams
   • Create detailed UML activity and state diagrams

Performance Evidence

The candidate must demonstrate the ability to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including evidence of the ability to:

produce one object-oriented design from requirements, documents and system specifications, which includes:

static class diagrams

communication and sequence diagrams

activity and state diagrams

diagrams mentioned above using unified modelling language (UML)

refining class design

documentation of design.

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Knowledge Evidence

The candidate must be able to demonstrate knowledge to complete the tasks outlined in the elements, performance criteria and foundation skills of this unit, including knowledge of:

design quality metrics, refinement techniques and programming design principles that may be used for applying skills in object-oriented design

unified modelling language

different programming methodologies, documentation techniques and development methodologies that may be used for applying skills in object-oriented design.

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