A13. Start

Introductory exercises.

1. Make a new arraylist filled with n random numbers in the range [-100,100].

    ArrayList<Integer> randGen(int n)
   

2. Insert the number 666 at the start, end and middle (size/2) of nums.

    ArrayList<Integer> devil (ArrayList<Integer> nums)
   

3. Remove all multiples of 6 from the list.

    ArrayList<Integer> lordy (ArrayList<Integer> nums)
   

4. Change everything with a value less than 50 to zero.

    void alterSmall(ArrayList<Integer> nums)