Course Solutions Uncategorized (Solved) : 6 Points Consider Pseudocode Bank Account Supporting Concurrent Access Assume Lock Valid L Q27364911 . . . .

(Solved) : 6 Points Consider Pseudocode Bank Account Supporting Concurrent Access Assume Lock Valid L Q27364911 . . . .

 

(a) [6 Points] Consider this pseudocode for a bank account supporting concurrent access. Assume that Lock is a valid locking class, although it is not in Java 1 class BankAccount 3 private Lock lk new Lock (O; 5 lk.acquireO 7 lk.release) private int balance-6, 4 int getBalance() int ansbalance; return ans; 10 void setBalance(int x) 11 k.acquire) 12 13 14 15 void withdraw(int amount) 16 k.acquire) 17 int b=getBalance(); 18 if(amount > b){ 19 20 21 22setBalance (bamount); 23 lk.release) 24 25J balancex; 13 k.release) lk.release(); throw new WithdrawTooLargeException); If Lock is NOT re-entrant, then the code above is 

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