Assuming this class is passed a valid non-negative integer, which statements best describe the following class? (Choose two.) 

A. It is well encapsulated.

B. It is susceptible to a denial of service attack.

C. It creates an immutable object.

D. It is susceptible to an inclusion attack.

E. It is not thread-safe.

F. It is susceptible to an exploit attack.

public class Charity { private int number Requests = 0; public synchronized int getNumberOfRequests () { return number Requests; } private void callDatabaseToDonateADollar () { // IMPLEMENTATION OMITTED } public synchronized void donate Dollar (int numDollars) { number Requests++; for (int i=0; i