Assume two threads share a BankAccount object with balance of zero (0), and that the BankAccount class provides deposit and withdraw methods as shown below.Thread one deposits $10 ten times and, concurrently, thread two withdraws $10 ten times.Suppose a race condition occurs, and the race is finished first by thread one.What would you expect balance to be after all thread calls?
A)$10
B)$20
C)$0
D)a negative amount

Question

Assume two threads share a BankAccount object with balance of zero (0), and that the BankAccount class provides deposit and withdraw methods as shown below.Thread one deposits $10 ten times and, concurrently, thread two withdraws $10 ten times.Suppose a race condition occurs, and the race is finished first by thread one.What would you expect balance to be after all thread calls?  
A)$10 
B)$20 
C)$0 
D)a negative amount

Quizplus · Accepted Answer

Since thread one completes before thread two and there is a race condition, thread two may attempt to withdraw from the account before any deposits are made, resulting in a negative balance. Therefore, the most likely outcome is a negative balance.

Assume Two Threads Share a BankAccount Object with Balance of Zero