Given the following java class called Parcel Delivery. class Parcel Delivery { private int[] b; public Parcel Delivery(int n) { b = new int[n]; for (int i = 0; i } O } (a) (b) (c) box = 0; return result; Bi Page 3 of 5 Make a thread safe version of class Parcel Delivery in such a way that delivery deliver parcels at same time and do not block each other. Add a transfer function, which transfer parcels from one box QUESTION 3 Give a lock-free thread safe version of Parcel Delivery. DELL (5 marks) another that is thread safe. (10 marks) (10 marks) Total (25 marks)