design patterns elements of reusable object oriented software
Overview of Object-Oriented Software Design and Java Programming potx
...
distinguishes it from all other objects.
•
The failure to recognize the difference
between the name of the object and the
object itself is the source of many errors
in object- oriented (OO) programming.
56
Static ... (class).
Instantiation
35
Object Oriented
Programming
•
When writing object- oriented
programs, first one must define the
classes (like Car).
•
Then, whil...
Object-Oriented Software Engineering
... electrical systems, software engineers design software
systems. However, software differs in important ways from the types of artifacts
produced by other types of engineers:
■ Software is largely ... electrical systems, software engineers design software
systems. However, software differs in important ways from the types of artifacts
produced by other types of engine...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P1 pptx
... development,
mock objects, and object- oriented design within the context of a software devel-
opment project. We also introduce some of the testing frameworks we use in the
rest of the book. Even ... Library of Lee Bogdanoff
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ptg
Growing
Object- Oriented
Software,
Guided
by Tests
From the Library...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P2 pdf
... to show something of what we’re trying to achieve
when we design software, and how that looks in an object- oriented language;
this is the “opinionated” part of our approach to software. In the ... suggests a rule of thumb:
Composite Simpler Than the Sum of Its Parts
The API of a composite object should not be more complicated than that of any of
its components.
Composi...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P3 pdf
... names of methods that trigger events are in the
imperative mood whereas the names of assertions are in the indicative mood.
Chapter 10 The Walking Skeleton
86
From the Library of Lee Bogdanoff
Please ... classes to tease apart fine-grained aspects of the functional-
ity; and we write lots of little methods to keep each layer of code at a consistent
level of abstraction. But first,...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P4 pdf
... implementation of
TableModelListener
to the model. This
is one of the few occasions where we break our rule “Only Mock Types That
You Own” (page 69) because the table model design fits our design approach
so ... Library of Lee Bogdanoff
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Emergent Design
What we hope is becoming clear from this chapter...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P5 doc
... Progress While We Can
The design of user interfaces is outside the scope of this book. For a project of any
size, a user experience professional will consider all sorts of macro- and micro-
details ... but
they have managed to simplify their original design by moving the item entry
into a top bar instead of a pop-up dialog. The current version of the design looks
like Figure...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P6 doc
... collaborator. We can create a tracer
object, a type of Obviously Canned Value, to represent this value. A tracer object
is a dummy object that has no supported behavior of its own, except to describe
its ... list of arguments. We most likely got there by adding the object s
dependencies one at a time, and it got out of hand. This is not dreadful, since
the process helped us sort...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P7 doc
... accept any getter method:
allowing(aPeerObject).method(startsWith("get")).withNoArguments();
or to accept a call to one of a set of objects:
oneOf (anyOf(same(o1),same(o2),same(o3))).method("doSomething");
Such ... use of invariants in design by contract” and formal methods
of modeling concurrency. These define invariants over the object s state.
Chapter 26 Unit T...
Tài liệu Growing Object-Oriented Software, Guided by Tests- P8 doc
... colleague,
drew a nice visualisation of islands of objects communicating with each other.
Joe also had the insight of using mock objects to drive the design of interfaces
between objects. At the time, we ... it into
something more profound. The final result—the topic of this book—should help
you with your software development; but the background story of “The Making
of Mock O...
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