A. Introduction
Let's say you have 300 student heights of last year, not you need to update this year's heights. You might want to save last year's heights by copying the array. What's the easiest way to copy?
In addition to maximum and minimum, you might want to sort all the heights sometimes. How to sort an array?
B. Watch... (Slides )
C. Now, can you make a copy of the heights array in 6.4, call it copyHeights