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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.
15. Energy Drink Consumption A soft drink company recently surveyed 12,467 of its customers and found that approximately 14 percent of those surveyed purchase one or more energy dr
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
What are the role of Keywords in java? Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments
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1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A class Television
Ten pigs were all in a pen, enjoying their morning slop when a bird flew down from a nearby tree and began picking all the best bits out from the trough. This greatly perturbed the
ANDROID APK for 3G dongles support Project Description: We want someone who will modify this Android app or code a similar one. The App function is to let Android tablet P
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What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
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