I am having a hard time with this class. I am new to java and do not understand it or what I am doing. I need to add in a method for the 5% re-stocking fee and a sort array. I thought I had done that but the teacher said it is not there can anyone help me please?

Here is my code:
[CODE=Java]
public class MovieInventory
{
public static void main(String args[]){
DVD dvd;

dvd =...