Introduction - If you have any usage issues, please Google them yourself
Use the JAVA thread to solve the problem of the philosopher's eating. When a philosopher thread performs the way of chopsticks, the program will determine which two chopsticks he needs to use according to the name of the thread, and identify which chopsticks are odd numbers, and try to get the two chopsticks according to the order of odd and even later. If the two chopsticks are not being used (i.e. the corresponding array element value of false), the philosopher has made this thread can be two chopsticks, otherwise it will execute wait in the competition after the failure of chopsticks () into the operation of an instance of the Chopsticks class to wait until the other thread, put down the chopsticks when philosophers after dinner (notifyAll) in its wake. When a philosopher thread puts down the chopsticks, the program sets the value of the array elements corresponding to the dropped chopsticks into false, and wakes up the other threads in the waiting area with notifyAll ().