In general, an algorithm is a sequence of well-defined instructions for solving a particular problem. Originally, algorithms were part of mathematics – the word “algorithm” comes from the Arabic writer Muhammad ibn Musa al-Khwarizmi, – but currently it is usually associated with computer science and programming.
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.NET Framework is a software framework developed by Microsoft, which significantly simplifies software development. It includes a large class library known as Framework Class Library (FCL) and provides language interoperability across several programming languages, which means each one of them can use code written in any of other languages. Programs written for .NET Framework execute in a software environment, known as Common Language Runtime (CLR), an application virtual machine. This unified framework offers a number of benefits to developers including code reuse, simplified debugging, and improved security. FCL and CLR together constitute .NET Framework.
Object composition in OOP refers to combining two or more different classes with purpose of creating new, more complex class. In case of composition, an object "owns" another object, rather than just use it, which means if main object will be destroyed, all internal objects should be destroyed as well. In case of aggregation, which is a closely related concept to composition, you can say an internal object is a part of the main object, but is still independent and can exists on its own.
Prototype-based programming is a style of object-oriented programming in which inheritance is implemented via process of cloning existing objects that serve as prototypes. Read more about prototype-based OOP here. In prototype-based languages objects inherit directly from other objects, in more classical class-based OOP languages inheritance is based around "parent-child" relationship between classes.
Prototype-based programming is a style of object-oriented programming in which inheritance is implemented via process of cloning existing objects that serve as prototypes. Read more about prototype-based OOP here. Class-based inheritance enables new classes to take on the properties and behavior of existing classes.
A software framework is an abstraction used in software development to provide generic functionality for application-specific needs. You can find definition of software framework term here. Using it for development of your application has many advantages over creation of it from scratch.
Abstraction is the process of removing unnecessary characteristics from something in order to reduce it to a set of essential, well defined characteristics. In object-oriented programming, abstraction is one of central principles, along with polymorphism, inheritance and encapsulation, closely tied with the last two.
C# is one of the programming languages designed for the .NET Framework software development by Microsoft. It is most known language for this platform. C# is intended to be a modern, simple, general-purpose, object-oriented programming language. C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.
Polymorphism is one of the four fundamental OOP principles. It is the ability to present the same interface for differing underlying types. In terms of .NET, for example, polymorphism means that at run time, objects of a subclass may be treated as objects of a superclass in places of their use, such as collections or method parameters. When this occurs, the object's actual type at run-time is no longer identical to its declared type. There are several kinds of polymorphism.