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In computer programming, event-driven programming is a programming paradigm in which the flow of the program is determined by external events. UI events from mice , keyboards , touchpads and touchscreens , and external sensor inputs are common cases.
Event-driven architecture (EDA) is a software architecture paradigm concerning the production and detection of events. Event-driven architectures are evolutionary in nature and provide a high degree of fault tolerance, performance, and scalability. However, they are complex and inherently challenging to test. EDAs are good for complex and ...
Traditionally, a program is modelled as a series of operations happening in a specific order; this may be referred to as sequential, [2]: p.3 procedural, [3] control flow [3] (indicating that the program chooses a specific path), or imperative programming.
[15] [5] Event-driven behavior trees solved some scalability issues of classical behavior trees by changing how the tree internally handles its execution, and by introducing a new type of node that can react to events and abort running nodes. Nowadays, the concept of event-driven behavior tree is a standard and used in most of the ...
Procedural programming is a programming paradigm, classified as imperative programming, [1] that involves implementing the behavior of a computer program as procedures (a.k.a. functions, subroutines) that call each other. The resulting program is a series of steps that forms a hierarchy of calls to its constituent procedures.
4 Event-driven and hardware description. 5 Functional programming. 6 Logic programming. 7 Monitor-based. 8 Multi-threaded. 9 Object-oriented programming.
procedural – organized as procedures that call each other; object-oriented – organized as objects that contain both data structure and associated behavior, uses data structures consisting of data fields and methods together with their interactions (objects) to design programs
exitwhen is used to specify the events which may occur within xxx, their occurrence is indicated by using the name of the event as a statement. When some event does occur, the relevant action is carried out, and then control passes just after endexit. This construction provides a very clear separation between determining that some situation ...