Programmer Group

1. What is a thread? Source code - compile and link - > program - load into memory - > process                                        |                                  |                                     Documents         &nbs ...

Producer-consumer questions: _is too classic to be repeated. import java.util.concurrent.Semaphore; public class ProducerAndConsumer { static int count = 0; private static final Semaphore full = new Semaphore(0); private static final Semaphore empty = new Semaphore(20); private static final Semaphore mutex = new Semaphore(1); publi ...

1. What is a message queue Message queuing provides a way to send a data block from one process to another.Each data block is considered to contain a type, and the receiving process can independently receive different types of data structures. We can avoid the synchronization and blocking of named pipes by sending messages. However, message qu ...