Ebook Read Designing Object–Oriented Software – writing–samples.co.uk


Considering this book was written Before Many Of The Most many of the most popular OO languages like Java C Ruby Python even existed it feels "pretty contemporary It talks heavily about arguably suboptimal concepts like multiple inheritance and getting the "contemporary It talks heavily about arguably suboptimal concepts like multiple inheritance and getting the design Cultural Aesthetics right but I think we can take most of the ideas and apply them to Agile environments that is we still do planning on Agile even though incremental iterative development is at the heart of the process We don t necessarily have to write a full blown upfront design but we can use the elaborated techniues described in this book to come up with good supple and flexible featuresystem designs easy toefactor down the Class and Conformity roadMost of these concepts have stood the test of timeYoue presented with notions like who controls what spreading system intelligence as evenly as possible ather than encapsulating. Practical and down to earth in approach this bestseller explores the art of designing object oriented software It offers basic design principles and a specific design proce. ,


Rebecca Wirfs-Brock Û 5 eview

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Designing Object-Oriented SoftwareMost behaviour in a single class wrap classes inside subsystems modules to educe coupling and increase cohesionThe authors thoroughly break down the building blocks of OOP in a way you wish you had learned before you ve ever saw an OO language Inheritance is just about factoring out common functionality into a single place Objects communicate "with each other by sending messages Messages have a name and may include arguments Objects handle messages by executing "each other by sending messages Messages have a name and may include arguments Objects handle messages by executing The set of messages an object can espond to is known
As Behaviour When Two 
behaviour When two kinds of objects can espond to the same message by executing different methods which have the same message name you get polymorphismIt was great to ead a book from the time when a lot of the stuff we now take for granted had to be factored into the design like classes for handling "Arrays graphic operati. Ss that can be applied to any software "graphic operati. Ss that can be applied to any software effort — even those not using object oriented programming languages or environmentsCovers the concepts of object oriente. .

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