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In computer programming, a programming language implementation is a system for executing computer programs. There are two general approaches to programming language implementation: [ 1 ] Interpretation : The program is read as input by an interpreter, which performs the actions written in the program.
Implementation is defined as a specified set of activities designed to put into practice an activity or program of known dimensions. [1] According to this definition, implementation processes are purposeful and are described in sufficient detail such that independent observers can detect the presence and strength of the "specific set of activities" related to implementation.
An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture.A realization of an ISA is called an implementation.An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as the interface between software and hardware.
An interpreter is a program that reads another program, typically as text, [4] as seen in languages like Python. [2] Interpreters read code, and produce the result directly. [ 8 ] Interpreters typically read code line by line, and parse it to convert and execute the code as operations and actions.
The complexity of implementing product software differs on several issues. Examples are: the number of end users that will use the product software, the effects that the implementation has on changes of tasks and responsibilities for the end user, the culture and the integrity of the organization where the software is going to be used and the budget available for acquiring product software.
Testing the implementation-vs-specification relationship further enhances the production's inter-process efficiencies: . A reference implementation is, in general, an implementation of a specification to be used as a definitive interpretation for that specification.
Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.
A class defines an implementation of an interface, and instantiating the class results in an object that exposes the implementation via the interface. [3] In the terms of type theory, a class is an implementation—a concrete data structure and collection of subroutines—while a type is an interface. Different (concrete) classes ...