class hierarchy or inheritance tree in computer science is a classification of object types, denoting objects as the instantiations of classes (class...

A hierarchy (from Greek: ἱεραρχία, hierarkhia, 'rule of a high priest', from hierarkhes, 'president of sacred rites') is an arrangement of items (objects...

new classes (sub classes) from existing ones such as super class or base class and then forming them into a hierarchy of classes. In most class-based...

do not allow the class hierarchy to be modified at run time. Semantic web objects have the capability for run time changes to classes. The rationale is...

hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that generalize the classes NP and co-NP. Each class in...

implicit data member which locates instances of the class (i.e., objects of the class) in the class hierarchy (essential for runtime inheritance features)....

The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars...

programming techniques and data structures, including rope, lazy evaluation, class hierarchy (see below), arbitrary-precision arithmetic, CDR coding, the indirection...

The A hierarchy is a collection of computational complexity classes similar to the W hierarchy. However, while the W hierarchy is a hierarchy contained...

varY1 = new Z(); Y varY2 = (Y) varY1.clone(); } } If every class in a hierarchy implements a clone() method, all of these functions will be called upon...

specifies a hierarchy of classes that are available to the application author. Unlike in object oriented languages, it is not possible for new classes to be...

Marxian class theory asserts that an individual's position within a class hierarchy is determined by their role in the production process, and argues...

that occupies the lowest possible position in a class hierarchy, below the core body of the working class. This group is usually considered cut off from...

field in the database identifies what class in the hierarchy the object belongs to. All fields of all the classes are stored in the same table, hence the...

In mathematical logic, the arithmetical hierarchy, arithmetic hierarchy or Kleene–Mostowski hierarchy (after mathematicians Stephen Cole Kleene and Andrzej...

socio-economic hierarchy; also known as the underclass, and may include many of those at the bottom of the working class American lower class, more specifically...

In the angelology of different religions, a hierarchy of angels is a ranking system of angels. The higher ranking angels have greater power and authority...

its social hierarchy. In some, such as ancient Greece, ancient Rome, or India, aristocratic status came from belonging to a military class. It has also...

theory, the exponential hierarchy is a hierarchy of complexity classes that is an exponential time analogue of the polynomial hierarchy. As elsewhere in complexity...

describe an emerging system. The following diagram illustrates the class hierarchy of the various graphic templates defined by the UML. Structure diagrams...

class hierarchy caught on. With the popularity of C++ starting in the late-1980s, modern IDEs added class browsers, at first to simply navigate class...

descriptive set theory, the analytical hierarchy is an extension of the arithmetical hierarchy. The analytical hierarchy of formulas includes formulas in the...

base class of the exception class hierarchy. Error, Exception, and RuntimeException – the base classes for each exception type. Thread – the class that...

(GUI) are integrated. Many modern IDEs also have a class browser, an object browser, and a class hierarchy diagram for use in object-oriented software development...

independent class hierarchies. A drawback to this pattern, however, is that it makes extensions to the class hierarchy more difficult, as new classes typically...

a program contains three classes in an inheritance hierarchy: a superclass, Cat, and two subclasses, HouseCat and Lion. Class Cat defines a virtual function...

of new classes from existing classes Hierarchical database model, a tree-like database model Hierarchical query, an SQL query on a hierarchical database...

Japan was the official ruler of Japan at the very top of the Tokugawa class hierarchy. However, the Emperor was only a de jure ruler, functioning as a figurehead...

social class or social stratum is a grouping of people into a set of hierarchical social categories, the most common being the working class and the...

The middle class refers to a class of people in the middle of a social hierarchy, often defined by occupation, income, education, or social status. The...