1. Explain and critically appraise the main principles, concepts and techniques of object oriented development.

1. Explain and critically appraise the main principles, concepts and techniques of object oriented development.

Object-Oriented Modelling and Design

Learning outcomes addressed

If you are studying KF6024 / LD6024 the learning outcomes addressed are:

Knowledge & Understanding:

1. Explain and critically appraise the main principles, concepts and techniques of object oriented development.

Intellectual / Professional skills & abilities:

1. Critically apply the principles of good object-oriented design to the specification of applications.

Instructions

Four tasks set. Answer all tasks/questions. This assignment is weighted as 40% of the assessed work for the module. Please complete the assignment individually. (This is NOT a group assignment)

Tasks relate to the scenario from the first assignment which accompanies this brief.

You are required to

1. Define and explain the concepts of coupling and cohesion in object-oriented modelling  ( 20 marks)

2. Critically appraise the coupling and cohesion of the classes you supplied in your answer to Assignment 1. If appropriate provide suggestions for how coupling and cohesion could be improved? If appropriate supply an updated class diagram to summarise these changes. (30 marks)

3. Define and explain what is the Model-View-Controller (MVC) pattern  (20 Marks)

4. Critically apply the MVC pattern appropriately to your originally submitted in first assignment class diagram. Submit both the original and the modified class diagram. Discuss and explain any interesting points in the application of MVC to your model. (30 marks)

Typically, you would submit:

1. An essay in the region of 1500-1800 words
2. Your original class diagram from Assignment 1
3. Your class diagram updated to address the expectations of questions 1 and 4.