Assume Two Threads Share a BankAccount Object with Balance of Zero

question 1

Multiple Choice

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?
Public void deposit(int dollars)
{
Int newBalance = balance + dollars;
System.out.println("depositing") ;
Balance = newBalance;
}
Public void withdraw(int dollars)
{
Int newBalance = balance - dollars;
System.out.println("withdrawing") ;
Balance = newBalance;
}

• A) $10
• B) $20
• C) $0
• D) a negative amount

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