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

What is digital switch, Digital switch It is a device that handles digi...

Digital switch It is a device that handles digital signals formed at or passed by a telephone company's central office and sends them across the company's backbone network.

What is cts and cls, What is CTS and CLS? CLS stands for common langua...

What is CTS and CLS? CLS stands for common language specification CTS stands for common type system.

What is common control switching system, What is common control switching s...

What is common control switching system? Explain. Common Control Switching System: It is a functional block diagram of a common control switching system is demonstrated in figu

What is a matchcode, What is a matchcode? A match code is an aid to fin...

What is a matchcode? A match code is an aid to finding records keeps in the system whenever an object key is needed in an input field but the user only knows other (non-key) in

What are links and associations, What are links and associations? Link ...

What are links and associations? Link is a physical or conceptual connection between objects. A link is an instance of an association.  Association is a explanation of group

Purpose of pointer phrase in string command, The Purpose of POINTER phrase ...

The Purpose of POINTER phrase is to verify the leftmost position within receiving field where the first transferred character will be kept

JAVA, HOW WAS JAVA INVENTED?

HOW WAS JAVA INVENTED?

What is the concept of lock, Q. What is the Concept of Lock? Locks are ...

Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system.  There are numerous kinds of locks:  1)  Binary Locks: These locks a

Earned value analysis, Senior management has requested a status update on t...

Senior management has requested a status update on the workstation installation project.  As a part of this update, managers have requested that you present an Earned Value analysi

C-programing, c-program for the minimum total number of shelves

c-program for the minimum total number of shelves

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