need help doing #3

2. Add the following method to the class Pa6_your-id. // This method receives a parameter giving the number of doubles /7 that will be placed in an ArrayList, creates the // ArrayList?Double>, add random double numbers within the range /1-size/2 to +size/2, and returns the reference (address) of the /1 ArrayList public static ArrayList makeArrayList (int size) if (size anew ArrayList) for (int i-0; i and nothing else, then returns the sum of all the numbers contained in the ArrayList