Tags:object oriented design
  • 26Jun
    Introducing Interface Segregation Principle
    Posted By Brain Concert

    Introducing Interface Segregation Principle

    Interface Segregation Principle (ISP) is the fourth principle in S.O.L.I.D. set of principles (hence the letter I) and it deals with how business logic is communicated to the client. In object-oriented world, business logic is implemented in…

  • 14Jun
    Introducing Dependency Inversion Principle
    Posted By Brain Concert

    Introducing Dependency Inversion Principle

    The last principle from the S.O.L.I.D. set of principles (at least in the order of the acronyms) is Dependency Inversion Principle (hence the letter D). It relates to the way dependencies between modules can make the design of a module rigid,…

  • 30May
    Liskov Substitution Principle
    Posted By Brain Concert

    Liskov Substitution Principle

    The implementation looks ok. Birds usually eat and fly. In the distinctive case of an Ostrich we do not have the flying capability so an exception is thrown. However, the exception is unexpected for the code inside main merthod, so the program…

  • 23May
    Open-Closed Principle
    Posted By Brain Concert

    Open-Closed Principle

    Software applications are changing during both development and maintenance phases. New functionalities are usually added but also changes to existing functionalities are implemented. When this happens, what is important is to minimize the amount…