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Assume Two Threads Share a BankAccount Object with Balance of Zero

question 46

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Assume two threads share a BankAccount object with balance of zero (0) , and that the BankAccount class provides deposit and withdraw methods and has a ReentrantLock named myLock, as shown below.Note that only the deposit method uses the lock.Thread one deposits $10 ten times and, concurrently, thread two withdraws $10 ten times.Which statement regarding the balance after all thread calls is definitely true? Assume two threads share a BankAccount object with balance of zero (0) , and that the BankAccount class provides deposit and withdraw methods and has a ReentrantLock named myLock, as shown below.Note that only the deposit method uses the lock.Thread one deposits $10 ten times and, concurrently, thread two withdraws $10 ten times.Which statement regarding the balance after all thread calls is definitely true?    A) The balance could be zero or positive. B) The balance is zero. C) The balance could be zero or negative. D) The balance is positive.


Definitions:

Dramaturgical Model

A perspective in sociology that describes social interactions as if they were part of a theatrical performance, with individuals acting out roles in front of an audience.

Role Play

A method of learning or training by acting out roles, typically to practice specific skills, understand different perspectives, or explore hypothetical scenarios.

Sincere Performance

An act or behavior that is carried out with genuine intention and authenticity, without the intention to deceive.

Cynical Performance

An approach or behavior in a performance that is marked by a skepticism of motives or virtues of others, often for personal gain or protection.

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