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How instant messaging works? Write the steps involved in this process?
The Instant Messaging services available permit us to manage a list of people (contacts) that we interact along with regularly. We can send instant messages to any of the contacts within our list as long as that contact is online. Subsequent steps are included in IM working:
1. User commences the IM client.2. IM client finds the IM server & logs in.3. It launches communication info (IP address, etc) to the IM server.4. IM server searches user's contacts & sends him/her the communication info.5. IM server also notifies the contacts which the user is online; sends his/her communication info to them.6. The user's & the contact's IM clients are prepared to communicate directly (P2P).7. As new contact has come online, IM server informs them about the user being online and many more.8. Multiple, real-time chat are possible.9. While the user logs-off, his/her IM client informs the IM server.10. IM servers wipes away the temporary file and inform the user's contact's about his/her ‘offline' status.
Explain function system.arraycopy() ? Although copying an array isn't particularly hard, it is an operation that advantages from a native implementation. Thus java.lang.System
What is Resuscitation Trolley explain their features? A proper resuscitation kit is mandatory for the ICU. In addition to trolleys that can be moved around the ICU there should
The typical use of the roster class is to display a tree view of groups and entries along with the current presence value of each entry. As an example, see the image showing a Rost
Build an android app like the example in the project details Project Description: Construct an android app like cam finder using my own ideas, design and features which I wil
What is the difference between Internet and Intranet ? Intranet and internet are 2 domains which are extremely a like but frequent segregated in order to manage security. Inter
SQLWarning objects are a subclass of SQLException that deal with database access warnings. Warnings do not stop the implementation of an application, as exceptions do; they easily
TextMessage having instance of java.lang.String as its payload. Therefore it is very useful for exchanging textual data. It can also be used for exchanging difficult character data
When should I use abstract classes and when should I use interfaces? Use Interface, when: Design changing often or when various implementations only share method sign
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing tha
Aspect-Oriented Programming (AOP) represents OOP (Object Oriented Programming) by giving the developer to dynamically change the static OO model to make a system that can
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