OOSR W99/00

- What is a legacy system?
- Why do legacy systems pose problems?
- What is the difference between reverse engineering and reengineering?
- What tools and techniques are used for reverse engineering?
- Why would you want to reengineer a system?
- How does duplicated code arise?
- Why is it problematic?
- How can you eliminate duplicated code?
- When might you not want to eliminate it?
- What are some of the problems in using UML to model legacy software?
- What are software metrics used for?
- What is good/bad about the LOC metric?
- What is GQM?
- How does measurement-based cost estimation work?
- What are coupling and cohesion?  Why are they important?
- How would you measure software quality?
- How can visualizing metrics help in reverse or re-engineering?
- What's the difference between a model and a meta-model?
- What is refactoring?
- What role do tests play in refactoring?