Implement the following integer methods:
a.Method celsius returns the Celsius equivalent of a Fahrenheit temperature, using the calculation
b. C = 5.0 / 9.0 * ( F - 32 );
c. Method fahrenheit returns the Fahrenheit equivalent of a Celsius temperature, using the calculation
d. F = 9.0 / 5.0 * C + 32;
e. Use the methods from parts (a) and (b) to write an application that enables the user either to enter a Fahrenheit temperature and display the Celsius equivalent or to enter a Celsius temperature and display the Fahrenheit equivalent.
i don't know how to start this one...