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Polymorphism
Inheritance
Encapsulation
It is used to keep the parts of your application that
stay the same separate from the parts that change.
Overrride
UML
Enumaration
///////////////////Steps for a great software///////////////////////
1--- Make sure your software does what the customer wants it to do//
2--- Apply basic OO principles to add flexibility //
3--- Strive for a maintainable reusable design //
////////////////////////////////////////////////////////////////
Flexibility
Software can change and grow without constant rework.
it keeps applications from being fragile.
Functionality
...
Design Pattern
it is all about reuse and making sure you are not trying
to solve a problem that someone has already solved.
Encapsulation
It is used to keep the parts of your application that
stay the same separate from the parts that change.
Delegation
it is giving another object the responsibility of handling a particular task
Separation of concerns
...
Requirement
//it is a spesific thing your system has to do to work correctly
//A requirement is a singular need detailing what a particular product or
service should be or do.
Use Case
//A use case describes what your system does to accomplish a particular goal.
// A use case is a tecnique for capturing the potential requirements of a
new system or software change.Each use case provides one or more
scenarious that convey how the system should interact with the end user
or another system to achieve a specific goal.
** use case has a single goal , but can have multiple paths to reach that goal
**use case is simply a story about how your system works.
Clear Value
Every use case must have a clear value to the system.If the use case
doesnt help the customer the use case is not useful
Start and Stop
Every use case must have a definite starting and stoping point.
There must conditions to start and stop the system.
External Initiator
Every use case is started off by an external initiator ,outside of the
system.It could be anything from outside of the system.
Main Path
...
Duplicate code
Scenario
Noun Analysis
Association
Atrribute
Class Diagram
Operation
Verb Analysis
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