Table 2: Alternating classes of three participant verbs Coding of T, R Alignment Class one: T = 0, R = OBJ secundative 'give' type verbs T = OBJ, R = DAT indirective Derived class
two: T = 0, R = OBJ secundative causatives T = OBJ, R = DAT indirective T = OBJ, R = OBJ neutral
The powerful abstraction of the AbstractXmlDocument class reaches its pinnacle at the stage of implementation of the loading and saving routines in derived classes
. This is remarkable through the abstract methods Load and Save defined in the base class, methods that any derived class
will be obliged to implement.
Normally the implementation is realized by directly inheriting from the abstract class, which does not allow any changes on the inherited structure of the derived class
. Therefore, since the representation of the raw image of some type is an obligatory attribute of StillImage an abstract class RawImageRep is defined and associated with the StillImage class through a mandatory association.
In addition, when the matched-model index (chart 4) is compared with the hedonically derived class
1 and 3 indexes, the differences are small.
Each derived class
must implement the properties defined by the base class; for example, a derived vector class must provide code to add two vectors.
All you need to do is create a subclass (or derived class
, in C++ terminology) of the original class.
Superclass corresponds to base class and subclass corresponds to derived class
In this inheritance situation, the class used as the starting point is known as the base class, and the new class is called the derived class
. In Figure 8-3, Point is the base class and Point 3D is the derived class
These clashes are detected at compile time and the ambiguity can be resolved by redefining the member function in the derived class
Suppose you have a class Person with a private member variable age, and a derived class
Employee with a private member variable salaryLevel.
To test the validity of the derived classes
, separate class comparisons were performed using several indicators available in wave 2 of the Add Health data.
As with ABACUS library, extending the core capabilities of PICO requires the development of derived classes
that express the additional required functionality.