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Software development for enterprise systems
Software development for enterprise systems

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This course has introduced the main concepts used in this course, has given an overview of software development with an object-oriented approach and has discussed some of the issues that are relevant to developing software that can be reused. Here are the main points addressed in the course.

  • An iterative and incremental model for the development process is more appropriate to object-oriented development than a traditional sequential waterfall model. Iteration cycles allow for the reviewing of previous steps, and partitioning into increments addresses complexity.

  • Modelling is carried out from three different perspectives. First, by modelling the domain to understand what a business does, independently of a software solution; modelling at this stage identifies the objects in the domain of the problem, their relations and their behaviours. Second, if a software solution is appropriate, modelling specifies the software objects, their relations and their behaviours; this is the software specification perspective. Third, design modelling is concerned with the distribution of responsibilities and the software control flow to achieve the required behaviour.

  • The concepts of object and class have been introduced, as well as the principal concepts in object technology: encapsulation and inheritance.

  • Reuse is a crucial factor in the adoption of object technology. The use of components, patterns and frameworks has become an important step in developing software that is more flexible and therefore more easily reused.

  • CASE tools are an important asset in software development that can support many different tasks; however, they also demand a high investment that needs to be considered in the decision to adopt them.