Given the following java class called Parcel Delivery. class Parcel Delivery { private int[] b; public...

  

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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<n; i++) { b[i] = 0; } } public void deliver(int i, int parcels) { b[i] = b[i]+ parcels: } public int empty(int i) { int result = b[i]; box = 0; return result; } } 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) 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<n; i++) { b[i] = 0; } } public void deliver(int i, int parcels) { b[i] = b[i]+ parcels: } public int empty(int i) { int result = b[i]; box = 0; return result; } } 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)

Answer rating: 100% (QA)

a To make the ParcelDelivery class threadsafe we can use synchronization on the methods deliver and ... View the full answer