Object oriented analysis and design flexible software
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The document discusses object oriented analysis and design (OOA&D) and its benefits, including more flexible software and applications as well as increased cohesion. It provides an example of using OOA&D to model an inventory of musical instruments with different specifications in a way that allows flexible searching. The document promotes OOA&D as a way to build software with greater ease of changing requirements.
Object oriented analysis and design flexible software
- 1. QUALITY. PRODUCTIVITY. INNOVATION. Object Oriented Analysis and Design Give your software a 30minute workout endava.com
- 2. Give your software a 30-minute workout Flexible software 2 Benefits of analysis Design decisions Flexible applications Cohesion OOA&D Toolbox QUALITY. PRODUCTIVITY. INNOVATION.
- 4. We should use only one search method, using InstrumentSpec 4 4
- 5. 5 5
- 6. public class Inventory { private final List<Instrument> inventory; public Inventory() { inventory = new LinkedList<>(); } public void addInstrument(String serialNumber, double price, InstrumentSpec spec) { Instrument instrument = null; if (spec instanceof GuitarSpec) { instrument = new Guitar(serialNumber, price, (GuitarSpec) spec); } else if (spec instanceof MandolinSpec) { instrument = new Mandolin(serialNumber, price, (MandolinSpec) spec); } inventory.add(instrument); } 6 public Instrument get(String serialNumber) { for (Instrument instrument : inventory) { if (instrument.getSerialNumber().equals(serialNumber)) { return instrument; } } return null; } public List<Instrument> search(InstrumentSpec searchSpec) { List<Instrument> matchingInstruments = new LinkedList<>(); for (Instrument instrument : inventory) { if (instrument.getSpec().matches(searchSpec)) { matchingInstruments.add(instrument); } } return matchingInstruments; } 6 }
- 17. The great ease-of-change challenge 17 17 QUALITY. PRODUCTIVITY. INNOVATION.
- 22. Secrieru Radu Junior Developer QUALITY. PRODUCTIVITY. INNOVATION.