4 (Bonus) Choose the most accurate statement about monitors and condition variab

Question

4 (Bonus) Choose the most accurate statement about monitors and condition variables A monitor without condition variables is faster than a monitor with condition variables because it doesn't take time to create or examine the condition variables A monitor with condition variables is more efficient than a monitor without condition variables because it doesn't potentially restart threads that cannot use the monitor Condition variables do not impact the speed or efficiency of a monitor, but condition variables do make it easier to program a monitor A class must extend Monitor to become a monitor and a class must extend Condition Variable to become a condition variable This means that two classes, one an inner class of the other, must be created to use monitors and condition variables Monitors and condition variables are mutually exclusive programmers must choose one or the other O O O

Explanation / Answer

Choose the most accurate statement about monitors and condition variables.

e) Monitors and condition variables are mutually exclusive; programmers must choose one or the other.

Explanation: There exist some algorithm to solve Dining – Philosopher Problem, but they may have deadlock situation. Also, a deadlock-free solution is not necessarily starvation-free. Semaphores can result in deadlock due to programming errors. Monitors alone are not sufficiency to solve this, we need monitors with condition variables

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