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Essay on Comparison of Programming Paradigms: A Contrast Approach
The word paradigm is used in computer science to refer to a family of system implementation notations that share common linguistic abstractions or theories. Thus, we talk about the functional, logic, object-oriented, and imperative paradigms. It is widely accepted that different types of tasks can be best implemented in different paradigms. As an example, the logic programming paradigm is particularly well suited for implementing expert systems, while the object-oriented paradigm can be advantageous for graphics work. As the subparts of typical real world systems can often be best implemented in different paradigms, a number of researchers have introduced the idea of multiparadigm programming: a programming methodology where the virtues of different paradigms are combined to ease the system implementation task.
Many different approaches to the integration of programming paradigms have been explored in recent years, like the combination of functional and logic languages (e.g., Curry, Mercury, Toy), logic and concurrent languages (e.g., Oz and CHR), logic and imperative languages (e.g., Alma-0), among many other proposals. (Carlo, 1998.)
While the integration of constraints into general-purpose programming languages has been widely investigated for the case of logic programming, interesting solutions have been obtained as well by merging constraints and languages not based on a purely logic paradigm. The integration of constraints with other programming paradigms, even if it is not that exhaustively examined, is as well promising and a topic of current research.
We will discuss different programming paradigms individually.
The word 'imperative' can be used both as an adjective and as a noun. As an adjective it means 'expressing a command or plea'. In other words, asking for something to be done. As a noun, an imperative is a command or an order. Some programming languages, such as the object oriented language Beta, uses the word 'imperative' for commands in the language....
