Who are the Dining Philosophers in JavaProgramming
Who are the Dining Philosophers in JavaProgramming?
Java
multi-threading can be compared to the classic dining philosophers
problem. Imagine five philosophers sitting around a dinner table, each wanting
to eat spaghetti. To do so, each philosopher needs two forks, but there is only
one fork between each pair of philosophers. A philosopher must wait until both
adjacent forks are available before they can eat. Once a Java philosopher
is done eating, they put down one or both forks.
If each
philosopher picks up one fork and waits for the second fork to become
available, all five will end up holding one fork and waiting for the other. In
this situation, each philosopher expects a neighbour to put down a fork, but
since all are waiting and none put their fork down, everyone remains stuck.
This situation, where all processes in Java
programming are waiting indefinitely for each other to act, is known as a deadlock.
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