What is source and listener, Computer Engineering

Assignment Help:

A source is an object that produces an event. This happens when the internal state of that object changes in some way. A listener is an object that is notified when an event happens. It has two main requirements. First, it must have been registered with a source to receive notifications about particular event. Second, it must implement essential methods to receive and process these notifications.                

 

 


Related Discussions:- What is source and listener

Convenience of environments -artificial intelligence , Convenience of Envir...

Convenience of Environments -artificial intelligence: In some cases, some aspects of an environment which should be taken into account in decisions about actions may be unavai

ERP, ERP usage in real world

ERP usage in real world

One pointer variable be subtracted from another, Under what conditions can ...

Under what conditions can one pointer variable be subtracted from another? Pointer subtraction isn't used very much, but can be handy to determine the distances between two arr

Explain conditions for the critical section problem solution, What are the ...

What are the properties which a data item should possess to implement a critical section? The Critical Section Problem Solution should satisfy the following conditions: 1.

What is java awt, An AWT stands for Abstract Window Toolkit. AWT handles pr...

An AWT stands for Abstract Window Toolkit. AWT handles programmers to develop Java applications with GUI components, like windows, and buttons. The Java Virtual Machine (JVM) is re

Differentiate between static and dynamic step loops, Differentiate between ...

Differentiate between static and dynamic step loops. Step loops fall into two classes: Static and Dynamic.  Static step loops have a fixed size that cannot be changed at runti

Explain the working of interpreter, Explain the working of Interpreter? ...

Explain the working of Interpreter? The Interpreter is a program that executes instructions written in a high-level language. There are two manners to run programs written in a

Explain e-brokerage, E-brokerage. An e-brokerage is an investment house...

E-brokerage. An e-brokerage is an investment house that permits you to buy and sell stocks and get investment information from its Web site.

Registers used in IA-64 architecture, Q. Registers used in IA-64 architectu...

Q. Registers used in IA-64 architecture ? Registers: The IA-64 architecture comprises a very generous set of registers. It has an 82-bit floating point as well as 64-bit inte

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd