1.NumberFormatException: Calculator. java, is a simple command-line calculator in the next page. Note that the program terminates if any operand is non-numeric. Write a program with an exception handler that deals with nonnumeric operands. Your program should display a message that informs the user of the wrong operand type before exiting

The ieee 802.11: defines standards for wireless local area network (wlan) communication protocols. identifies various computers or devices connected to a network. verifies any resource attached to another computer on a network that is different from the computer to which the user is logged on. connects multiple local area networks (lans) and wide area networks (wans).