7. Write a driver class which contains methods:
a. Write a method to input and return a number.
b. Write a method to receive a number and to output if the number is even or odd.
c. Write a method to receive a number and to output double the number.
d. Write a method to receive a number add 100 to the number and output the answer.
8. Write the test driver class to contain a menu with the following options:
1. Even or Odd
2. Double number
3. Add 100 to number