How many programming languages are there?
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Programming language is divided into: 1, imperative language; 2, functional language, λ operator calculable model based on value mapping of mathematical function concept; 3, logical language, formal logic system based on a set of known rules; 4, object-oriented language.
Programming languages are divided into:
1. Imperative language
The semantic basis of this language is the Turing machine computing model that simulates "data storage / data operation", which is very consistent with the natural implementation of modern computer architecture. The main way to generate operations is to rely on the side effects of statements or commands. Most popular modern languages are of this type, such as Fortran, Pascal, C++obol, C, C++, Basic, Ada, Java, C # and so on. Various scripting languages are also regarded as this type.
2. Functional language
The semantic basis of this language is the λ operator computable model based on the value mapping of mathematical function concepts. This language is very suitable for computing tasks such as artificial intelligence. Typical functional languages such as Lisp, Haskell, ML, Scheme, F# and so on.
3. Logical language
The semantic basis of this language is a formal logic system based on a set of known rules. This language is mainly used in the implementation of expert systems. The most famous logical language is Prolog.
4. Object-oriented language
Most modern languages provide object-oriented support, but some languages are directly based on the basic object-oriented model, and the semantics of the grammatical form of the language is the basic object operation. The main pure object-oriented language is Smalltalk.
Although various languages belong to different types, they all support other types of operation models to varying degrees.
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