use only java and please do extra credit

Class Gauge Rho A 12 5.211 14 8.285 B 16 13.170 B 18 20.950 Resistivity, rho, of electrical wire varies with the "gauge" of the wire. . Use a single switch statement (no if statement), write a program that asks the user to enter a wire gauge and outputs the resistivity and class of that gauge Extra Credit (+10): Use GUI dialog - Display "Invalid Gauge" if the user boxes to retrieve information from the user and to display the results doesn't enter one of the values in the table. The switch block should contain NO print statements (or showMessageDialog statements)