please code in Java:

a. Write a method that prints out numbers between 10 to 100, but it should only print multiples of 7. Use while-loop in your method. (3p) b. Write a private method that takes an array of integer and returns number of even numbers in that array. (3p) For example, if the input array is: 3 29 20 7 18 the output must be: 2