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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.
What is Constraints explain with example? One of the purposes to use constructors and setter techniques rather than directly accessing fields is to enforce constraints. For exa
Explain final fields ? You may also declare fields to be final. This is not the similar thing as declaring a method or class to be final. While a field is declared final, it is
hi i need help with java
Prepare Neo4j database of airline airports and routes. Implement Dijkstra algorithm to evaluate shortest path for flights with available seats. I'm need a developer with Neo4j/g
The more complicated the underlying system, the more critical the inter communication among everyone involved in deploying and developing the software. UML is a software language f
Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt
An RMI "service" could well be any Java method that can be invoked remotely. The other service is the JRMP RMI naming service which is a lookup service.
Who Can an Applet Talk To? By default an applet can just open network connections to the system from that the applet was downloaded. This system is known as the codebase. An ap
Project Description: Two co-founders are in search of a developer to join us to launch a tech startup. We have experience at fortune 500 companies, elite consulting firms, etc.,
How many JSP scripting elements and what are they? Ans) Three scripting language elements are there: a) declarations, b) scriptlets, c) expressions.
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