Implement the following integer methods:

a) Method celsius returns the Celsius equivalent of a Fahrenheit calculation

celsius = 5.0 / 9.0 * ( fahrenheit - 32 )

b) Method fahrenheit returns the Fahrenheit equivalent of a Celsius the calculation

fahrenheit = 9.0 / 5.0 * celsius + 32

c) Use the methods from parts (a) and (b) to write an application either to enter a Fahrenheit temperature and display the Celsius or to enter a Celsius temperature and display the Fahrenheit equivalent.