This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Originally posted by Mercy Jhansi: Should i be familiar with the basics of wireless communication for understanding Wireless Java?
Not necessarily. Many mobile apps don't actually use the actual telephony functions at all, and many that are are actually only using it as a transport layer for network activities, so the application code is simply general network code.
It all depends on what you want your app to do.
Customer surveys are for companies who didn't pay proper attention to begin with.