base class | is the name for superclass in C++ | |
is a subtopic of 2.5 - Organizing Classes Into Inheritance Hierarchies | |
is a synonym of superclass | |
is a kind of class | |
class | can have instances | |
contains all of the code that relates to its objects including - code describing how the objects of the class are structured - i.e. the data stored in each object that implement the properties
- The procedures, called methods, that implement the behaviour of the objects
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contains data associated with each object | |
declares a list of variables, called instance variables, corresponding to data that will be present in each instance | |
has part class name | |
has part class variable | |
has part code | |
has part constructor | |
has part instance variable | |
has part method | |
has part variables | |
is divided up into methods | |
is drawn as a box with the name of the class inside in a UML class diagram | |
is needed in a domain model if you have to store or manipulate instances of it in order to implement a requirement | |
represents several similar objects | |
see also class^2 | |
should be created to hold a responsibility if the responsibility cannot be attributed to any of the existing classes | |
should be named after things their instances represent in the real world | |
should have a comment at the top describing the purpose of the class, how it should be used, its authors and its history of modification | |
should not be named after the internals of a computer system such as 'Record', 'Table', 'Data', 'Structure', or 'Information' | |
data abstraction | groups the pieces of data that describe some entity, so that programmers can manipulate that data as a unit | |
helps a programmer to cope with the complexity of data | |
hides the details of data | |