Explain in detail how semaphores and monitors are used to solve the Dining-Philosopher‘s problem.

The Dining-Philosophers problem is a classic synchronization problem in computer science that involves a group of philosophers who sit at a round table and alternate between thinking and eating. Each philosopher has a plate of spaghetti and a fork on either side of their plate. In order to eat, a philosopher must pick up both forks, but each fork can only be picked up by one philosopher at a time. The challenge is to design a solution that prevents deadlock and starvation while allowing the philosophers to eat.

Two commonly used synchronization primitives for solving the Dining-Philosophers problem are semaphores and monitors. Semaphores are a low-level primitive that allow for mutual exclusion and synchronization, while monitors are a higher-level primitive that provide a higher level of abstraction and encapsulation.

Semaphores work by allowing threads to acquire and release locks on shared resources. In the context of the Dining-Philosophers problem, we can use semaphores to represent the forks. We can _______ ____ ________ _____ ____ ________ ___ ______ _____ __________ ___ _______.
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