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

Distributed workstation cluster, A distributed workstation cluster must be ...

A distributed workstation cluster must be viewed like single computing resource and not as a group of particular workstations'.  Details of cluster were: 150MHz R4400 workstatio

What is the difference between swapping and paging, What is the difference ...

What is the difference between Swapping and Paging? Swapping: Entire process is moved from the swap device to the major memory for implementation. Process size must be less t

System requirements for chip design, The Peripheral interface chip system r...

The Peripheral interface chip system requires the construction of the interface chip circuit, which is controlled by main micro-controller via the user interface. I also need set

Explain vector-memory instructions, Vector-Memory Instructions When vec...

Vector-Memory Instructions When vector operations with memory M are carried out then these are vector-memory instructions. These instructions are referred with the subsequent f

Explain a macro, Explain a macro Macro is a preprocessor directive, als...

Explain a macro Macro is a preprocessor directive, also called as macro definition takes the following general form:  #define identifier string

Explain executing request using message-passing architecture, Explain the E...

Explain the Executing Requests Using a Message-Passing Architecture Executing requests using a message-passing architecture requires good fundamental client-server programming

Biscuit factory circuit, Biscuits move on a conveyer through an oven where ...

Biscuits move on a conveyer through an oven where they are cooked.   Two sensors, H and C, measure the temperature of the oven, H = 1 if the oven is too hot and C = 1 if the ove

Explain the terms constructors and destructors, When we initialize the form...

When we initialize the form at that time if we require to set any variable's value then we can set it by defining in constructor. Constructor's name always similar as class name an

What problem does the namespace feature solve, Multiple providers of librar...

Multiple providers of libraries may use common global identifiers causing a name collision when an application tries to link with two or more such libraries. The namespace feature

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