7. Functions and arrays. Consider the following three Java functions. (a) What are the contents of the array a [] after executing the following three lines of code? Write your answer in the box below. int [ ] a={16,32,48,64}; halve2(a); halve2(a); [ (b) What are the contents of the array a [] after executing the following three lines of code? Write your answer in the box below. int []a={16,32,48,64}; halve3(a); halve3(a)