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The object-oriented Simula programming language was used mainly by researchers involved with physical modelling, such as models to study and improve the movement of ships and their content through cargo ports. [10] Simula is generally accepted as being the first language with the primary features and framework of an object-oriented language. [11]
The listed languages are designed with varying degrees of OOP support. Some are highly focused in OOP while others support multiple paradigms including OOP. [1] For example, C++ is a multi-paradigm language including OOP; [2] however, it is less object-oriented than other languages such as Python [3] and Ruby. [4]
Even though object-oriented seems like a superset of object-based, they are used as mutually exclusive alternatives, rather than overlapping. [citation needed] Examples of strictly object-based languages – supporting an object feature but not inheritance or subtyping – are early versions of Ada, [2] Visual Basic 6 (VB6), and Fortran 90.
The various object-oriented programming languages enforce member accessibility and visibility to various degrees, and depending on the language's type system and compilation policies, enforced at either compile time or runtime. For example, the Java language does not allow client code that accesses the private data of a class to compile. [12]
Language Original purpose Imperative Object-oriented Functional Procedural Generic Reflective Other paradigms Standardized; 1C:Enterprise programming language: Application, RAD, business, general, web, mobile: Yes No Yes Yes Yes Yes Object-based, Prototype-based programming No ActionScript: Application, client-side, web Yes Yes Yes Yes No No ...
Object-oriented modeling (OOM) is an approach to modeling an application that is used at the beginning of the software life cycle when using an object-oriented approach to software development. The software life cycle is typically divided up into stages going from abstract descriptions of the problem to designs then to code and testing and ...
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere (), [16] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [17]
do end: f do ensure tag: expression end: f do check tag: expression end end: class X invariant tag: expression end: from instructions invariant tag: expression until expr loop instructions variant tag: expression end: Python — PHP Perl Raku PRE {condition } POST {condition } Ruby — Windows PowerShell OCaml F# COBOL