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Event-Driven Programming Features

Event-driven development known as a computer programming paradigm which used the event of events to look for the control move of this program. This sort of application is designed to detect incidents as they appear, and use a proper event-handling procedure to deal with it, which normally use a callback function or method.

Theoretically, event-driven style of programming is recognized in all programming languages, nevertheless they may different in the form of use it, for example, it's easier to implement in dialects that provide high-level abstractions, such as closures. Besides, for other coding environments such as Adobe Display, they may be specifically designed for triggering program code by occasions.

Generally, there's a main loop in an event-driven application which used to pay attention for occasions and sets off a callback function whenever there are events is diagnosed.

Key features and characteristics of event-driven programming

Service Oriented

Service focused is a key features in event-driven programming that used to create programs that are created for services and it takes does not slow down the computer as service oriented only take in little of the computer control vitality and usually services run in the backdrop of OS.

Time Driven

In event motivated programming, time influenced is a paradigm, from the code that runs on a period trigger, time motivated can be considered a specific code that works on a specific time, which could be once one hour, once a week or once a month, this means from the pre-set to do activity. For example, house windows revise is the exemplory case of time motivated, which individual can establish when to revise or when to check and download the revise.

Event Handlers

Event handlers is a type of function or method that run a specific action when a specific event is prompted. For example, maybe it's a button that whenever consumer click it, it'll display a note, and it'll close the subject matter when user click the button again, this is an event handler.

Trigger Functions

Trigger functions in event-driven coding are a functions that make a decision what code to perform whenever there are a specific event occurs, which are being used to select which event handler to use for the function when you can find specific event occurred.

Events

Events include mouse, computer keyboard and user interface, which events have to be triggered in this program in order to happen, that mean user have to interacts with an object in this program, for example, click a button by a mouse, use computer keyboard to choose a button and etc.

Simplicity of Programming and Ease of Development

Event-driven programming is simple and much easier to program compared to other kind of programming as it's very aesthetic, for example you can place a button by just select it and place it onto a form and write a code for this. Event-driven development also easy for user to place a pre-written code scripts into an existing application because it allows user to pause the code while it's running. Which make expanding using event-driven programming is easy.

Compare Event Influenced Development with Object-oriented Development (OOP)

As mentioned above, event-driven coding known as a computer programming paradigm that used the occurrence of events to look for the control stream of this program, while objects-oriented encoding (OOP) snacks datafields as items manipulated through pre-defined methods only and it created over four major rules, that happen to be Encapsulation, Data Abstraction, Polymorphism and Inheritance.

JavaScript, ActionScript, Visible Basic and Elm will be the example for event-driven programming, while C++, C#, Java, Python, Ruby and Scala are the cases for object-oriented encoding.

In event-driven encoding, a program is executed when they discovered an event occur, for example, use mouse to click a button to show a message. Besides, in object-oriented development, emphasis is given to data and classes are the main part of OOP, which suggest classes are the blueprints of thing and keep the data secure in the classes, only ways of particular classes are permitted to view the data.

The classes are also different between event-driven development and object focused development. In OOP, classes can be created by own while in event-driven development end user must use the defined classes.

Object-oriented encoding and event-driven programming may use together, which mentioned above that event-driven development are support in all program writing language, it's just just how of implement it may different.

References

  1. What is event-driven coding? (2017). Retrieved January 17, 2017, from http://www. computerhope. com/jargon/e/event-driven-prog. htm
  2. 1010, zakkcuthbert. (2014, November 7). Key features of event driven programs. Retrieved January 17, 2017, from https://zakkcuthbertunit14eventdrivenprogramming. wordpress. com/2014/11/07/key-features-of-event-driven-programs/
  3. Event-driven encoding (2017). . In Wikipedia. Retrieved from https://en. wikipedia. org/wiki/Event-driven_encoding#Common_uses
  4. Comparison of coding paradigms (2017). . In Wikipedia. Retrieved from https://en. wikipedia. org/wiki/Comparability_of_programming_paradigms
  5. Studytonight. (2016). Object oriented programming ideas in C++. Retrieved January 17, 2017, from http://www. studytonight. com/cpp/cpp-and-oops-concepts. php
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