Problem 3) suppose the string variable pn is a phone number in the form "xxx-xxx-". write an expression whose value is the phone number contained in pn converted into the format "(xxx) xxx-". so the string "219-989-2273" would be converted to "(219) 989-2273". you can assume that the phone number in pn is formatted correctly.

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Create a class named majors that includes an enumeration for the six majors offered by a college as follows: acc, chem, cis, eng, his, phys. display the enumeration values for the user, then prompt the user to enter a major. display the college division in which the major falls. acc and cis are in the business division, chem and phys are in the science division, and eng and his are in the humanities division. save the file as majors.java.

You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?