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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.
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
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
In JSP page give the code as given below: enctype="multipart/form-data" name="fileForm" scope="session"> Please select file here that you would like to upload:
A target is the class that is being advised. The class can be a third party class or your own class to which you require to add your own custom behavior. By using the concepts of A
What is a packet within the network environment? What kind of information does it contain? A packet is the shortest unit of data transmitted over a computer network. It's a mes
Im not in the line of computer science.But i would like to have some knowledge about the computer language "JAVA".I aldredy learns the computer languages "C,C++".So kindly help me
Question 1 What do you mean by Java Virtual Machine? Question 2 Write a simple Java program to display a string message and explain the steps of Compilation and execution in Jav
Writing a report
QUESTION 3: Overloaded methods Write the overloaded method named average () for each of the following problems: a) The first method receives THREE (3) integer values and returns
Why Processing An Unknown Number Of Parameters ? Most of the time you have a fairly high-quality idea of what parameters will and won't be passed to your applet. Therefore som
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