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Kamis, 14 Februari 2013
Rabu, 24 Oktober 2012
- Instansiasi is process to create an object
We make object from class with
method instansiasi. Object which will be
created eventually will be first reference in OOP (Object Orientasi Program)
For example :
myBird = new Bird;
- Reuseable Ability is a method or a class that can be reused
·
Method
Overloading is manufacture the same method in the same class
different Method Overloading is signature requirements
different Method Overloading is signature requirements
·
Method Overreading is manufacture the
same method in the same class
different Method Overreading is signature same
different Method Overreading is signature same
For example :
Public int felovicity = null;
}
}
Super();
Rabu, 10 Oktober 2012
Summary Chapter 2 about Programming Of java and UML
- Object Orientation Is a significantly different way of thingking about solving problems and developing software solutions
- An object-Oriented system is one that has been designed using abstraction with objects, encapsulated classes, communication via messages, object lifctimc, class hicrarchics, and polymorphism.
- An object represents an instance of a real or abstract thing.
- A class is the definition of the attributes and methods needed to model a related group of objects
- Classes can be organized into hierarchies. Association is a relationship between classes. Aggregation and composition represent whole/part relationships. Inheritance represents generalization/specialization
- An understanding of how objects are created and implemented can make it easier to write good OO programs
Note that the UML uses an open arrowhead pointing to the
more general class to show inheritance. The animal hierarchy, a mammal inherits
from Animal, and so on
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