What is the meaning of an event in computer?
An event, in a computing context, is an action or occurrence that can be identified by a program and has significance for system hardware or software. Events can be user-generated, such as keystrokes and mouse clicks, or system-generated, such as program loading, running out of memory and errors.
What is software event?
In programming and software design, an event is an action or occurrence recognized by software, often originating asynchronously from the external environment, that may be handled by the software. Computer events can be generated or triggered by the system, by the user, or in other ways.
What is an example of an event in computer science?
Things like mouse clicks, key/button presses and screen touching are all examples of events. Not all events are user-created, however. A web browser fully loading a web page is also considered an event. In programming, events are used as a means of dictating the control flow of a program.
What is an event on the Web?
Events are actions or occurrences that happen in the system you are programming, which the system tells you about so your code can react to them. For example, if the user clicks a button on a webpage, you might want to react to that action by displaying an information box.
What is event in OOP?
Event is an action items using which object of different types can interact with each other on specific actions. In ABAP Objects, triggering and handling an event means that certain methods act as triggers and trigger events, to which other methods – the handlers – react.
What is termed as an event?
Definition of event 1a : something that happens : occurrence. b : a noteworthy happening. c : a social occasion or activity. d : an adverse or damaging medical occurrence a heart attack or other cardiac event. 2 : any of the contests in a program of sports.
What is an event and event handler in web programming?
In programming, an event handler is a callback routine that operates asynchronously once an event takes place. It dictates the action that follows the event. The programmer writes a code for this action to take place. An event is an action that takes place when a user interacts with a program.
What is a event object?
When a W3C event listener’s event occurs and it calls its associated function, it also passes a single argument to the function—a reference to the event object. The event object contains a number of properties that describe the event that occurred.
What is event object in Java?
An event object is an instance of a subclass of java. util. EventObject ; it holds information about something that’s happened to its source. The EventObject class itself serves mainly to identify event objects; the only information it contains is a reference to the event source (the object that sent the event).
What is event in ABAP?
An event is a set of outcomes that are defined in a class to trigger the event handlers in other classes. When an event is triggered, we can call any number of event handler methods. The link between a trigger and its handler method is actually decided dynamically at run-time.