Composite Structure Diagram
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Composite Structure Diagram
Composite structure diagram in the Unified Modeling Language (UML) is a type of static structure diagram, that shows the internal structure of a class and the ''collaborations'' that this structure makes possible. This diagram can include internal ''parts'', ''ports'' through which the parts interact with each other or through which instances of the class interact with the parts and with the outside world, and ''connectors'' between parts or ports. A ''composite structure'' is a set of interconnected elements that collaborate at runtime to achieve some purpose. Each element has some defined ''role'' in the collaboration. Concepts The key composite structure entities identified in the UML 2.0 specification are structured classifiers, parts, ports, connectors, and collaborations.OMG (2008). OMG Unified Modeling Language (OMG UML), Superstructure, V2.1.2'' p.161-192. * Part : A ''part'' represents a role played at runtime by one instance of a classifier or by a collection of in ...
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Unified Modeling Language
The Unified Modeling Language (UML) is a general-purpose, developmental modeling language in the field of software engineering that is intended to provide a standard way to visualize the design of a system. The creation of UML was originally motivated by the desire to standardize the disparate notational systems and approaches to software design. It was developed at Rational Software in 1994–1995, with further development led by them through 1996. In 1997, UML was adopted as a standard by the Object Management Group (OMG), and has been managed by this organization ever since. In 2005, UML was also published by the International Organization for Standardization (ISO) as an approved ISO standard. Since then the standard has been periodically revised to cover the latest revision of UML. In software engineering, most practitioners do not use UML, but instead produce informal hand drawn diagrams; these diagrams, however, often include elements from UML. History Before UML 1 ...
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Static Structure Diagram
In software engineering, a class diagram in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system's class (computer science), classes, their attributes, operations (or methods), and the relationships among objects. The class diagram is the main building block of object-oriented programming, object-oriented modeling. It is used for general conceptual modeling of the structure of the application, and for detailed modeling, translating the models into programming code. Class diagrams can also be used for data modeling. The classes in a class diagram represent both the main elements, interactions in the application, and the classes to be programmed. In the diagram, classes are represented with boxes that contain three compartments: * The top compartment contains the name of the class. It is printed in bold and centered, and the first letter is capitalized. * The middle compartment contains the attribute ...
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Class (computer Science)
In object-oriented programming, a class is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods). In many languages, the class name is used as the name for the class (the template itself), the name for the default constructor of the class (a subroutine that creates objects), and as the type of objects generated by instantiating the class; these distinct concepts are easily conflated. Although, to the point of conflation, one could argue that is a feature inherent in a language because of its polymorphic nature and why these languages are so powerful, dynamic and adaptable for use compared to languages without polymorphism present. Thus they can model dynamic systems (i.e. the real world, machine learning, AI) more easily. When an object is created by a constructor of the class, the resulting object is called an instance of the class, and the member variabl ...
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Classifier (UML)
A classifier is a category of Unified Modeling Language (UML) elements that have some common features, such as attributes or methods. Overview A classifier is an abstract metaclass classification concept that serves as a mechanism to show interfaces, classes, datatypes and components. A classifier describes a set of instances that have common behavioral and structural features ( operations and attributes, respectively). A classifier is a namespace whose members can specify a generalization hierarchy by referencing its general classifiers. A classifier is a type and can own generalizations, thereby making it possible to define generalization relationships to other classifiers. A classifier is a redefinable element, as it is possible to redefine nested classifiers. All objects that can have instances are classifiers. Important aspects *A classifier defines a namespace. *A classifier contains a set of features. *A classifier is generalizable. Types of UML classifiers *Class ...
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Object (computer Science)
In computer science, an object can be a variable, a data structure, a function, or a method. As regions of memory, they contain value and are referenced by identifiers. In the object-oriented programming paradigm, ''object'' can be a combination of variables, functions, and data structures; in particular in class-based variations of the paradigm it refers to a particular instance of a class. In the relational model of database management, an object can be a table or column, or an association between data and a database entity (such as relating a person's age to a specific person). Object-based languages An important distinction in programming languages is the difference between an object-oriented language and an object-based language. A language is usually considered object-based if it includes the basic capabilities for an object: identity, properties, and attributes. A language is considered object-oriented if it is object-based and also has the capability of polymorphism, ...
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Superclass (computer Science)
In object-oriented programming, inheritance is the mechanism of basing an object or class upon another object ( prototype-based inheritance) or class ( class-based inheritance), retaining similar implementation. Also defined as deriving 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 object-oriented languages, an object created through inheritance, a "child object", acquires all the properties and behaviors of the "parent object" , with the exception of: constructors, destructor, overloaded operators and friend functions of the base class. Inheritance allows programmers to create classes that are built upon existing classes, to specify a new implementation while maintaining the same behaviors ( realizing an interface), to reuse code and to independently extend original software via public classes and interfaces. The relationships of objects or classes through inheritance give ris ...
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Composite Structure Diagram
Composite structure diagram in the Unified Modeling Language (UML) is a type of static structure diagram, that shows the internal structure of a class and the ''collaborations'' that this structure makes possible. This diagram can include internal ''parts'', ''ports'' through which the parts interact with each other or through which instances of the class interact with the parts and with the outside world, and ''connectors'' between parts or ports. A ''composite structure'' is a set of interconnected elements that collaborate at runtime to achieve some purpose. Each element has some defined ''role'' in the collaboration. Concepts The key composite structure entities identified in the UML 2.0 specification are structured classifiers, parts, ports, connectors, and collaborations.OMG (2008). OMG Unified Modeling Language (OMG UML), Superstructure, V2.1.2'' p.161-192. * Part : A ''part'' represents a role played at runtime by one instance of a classifier or by a collection of in ...
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Composite Structure Diagram
Composite structure diagram in the Unified Modeling Language (UML) is a type of static structure diagram, that shows the internal structure of a class and the ''collaborations'' that this structure makes possible. This diagram can include internal ''parts'', ''ports'' through which the parts interact with each other or through which instances of the class interact with the parts and with the outside world, and ''connectors'' between parts or ports. A ''composite structure'' is a set of interconnected elements that collaborate at runtime to achieve some purpose. Each element has some defined ''role'' in the collaboration. Concepts The key composite structure entities identified in the UML 2.0 specification are structured classifiers, parts, ports, connectors, and collaborations.OMG (2008). OMG Unified Modeling Language (OMG UML), Superstructure, V2.1.2'' p.161-192. * Part : A ''part'' represents a role played at runtime by one instance of a classifier or by a collection of in ...
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Fibonacci Sequence
In mathematics, the Fibonacci numbers, commonly denoted , form a integer sequence, sequence, the Fibonacci sequence, in which each number is the sum of the two preceding ones. The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes (as did Fibonacci) from 1 and 2. Starting from 0 and 1, the first few values in the sequence are: :0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144. The Fibonacci numbers were first described in Indian mathematics, as early as 200 BC in work by Pingala on enumerating possible patterns of Sanskrit poetry formed from syllables of two lengths. They are named after the Italian mathematician Leonardo of Pisa, later known as Fibonacci, who introduced the sequence to Western European mathematics in his 1202 book ''Liber Abaci''. Fibonacci numbers appear unexpectedly often in mathematics, so much so that there is an entire journal dedicated to their study, the ''Fibonacci Quarterly''. Applications of Fibonacci ...
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