java的各个队列之间的联系和区别是什么

时间:2023-03-09 13:38:52
java的各个队列之间的联系和区别是什么

java的各个并发队列之间的联系和区别

java.util.concurrent是在并发编程中很常用的实用工具类

ArrayBlockingQueue, DelayQueue, LinkedBlockingDeque, LinkedBlockingQueue, PriorityBlockingQueue, SynchronousQueue

下面是代码例子

/**
*
*/
package concurrent; import java.util.Random;
import java.util.concurrent.BlockingQueue; /**
* @author think
*
*/
class Producer implements Runnable {
private final BlockingQueue<Integer> queue; Producer(BlockingQueue<Integer> q) {
queue = q;
} public void run() {
try {
while (true) {
queue.put(produce());
}
} catch (InterruptedException ex) {
System.out.println(ex);
}
} Integer produce() {
Random random = new Random();
return random.nextInt();
}
}
/**
*
*/
package concurrent; import java.util.concurrent.BlockingQueue; /**
* @author think
*
*/
class Consumer implements Runnable {
private final BlockingQueue<Integer> queue; Consumer(BlockingQueue<Integer> q) {
queue = q;
} public void run() {
try {
while (true) {
consume(queue.take());
}
} catch (InterruptedException ex) {
System.out.println(ex);
}
} void consume(Integer x) {
System.out.println(x);
}
}
/**
*
*/
package concurrent; import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue; /**
* @author think
*
*/
class Setup {
public static void main(String[] args) {
BlockingQueue<Integer> q = new ArrayBlockingQueue<Integer>(100);
Producer p = new Producer(q);
Consumer c1 = new Consumer(q);
Consumer c2 = new Consumer(q);
new Thread(p).start();
new Thread(c1).start();
new Thread(c2).start();
}
}

ArrayBlockingQueue 一个由数组支持的有界阻塞队列

DelayQueue Delayed 元素的一个*阻塞队列,只有在延迟期满时才能从中提取元素

LinkedBlockingDeque 一个基于已链接节点的、任选范围的阻塞双端队列

LinkedBlockingQueue 一个基于已链接节点的、范围任意的 blocking queue

PriorityBlockingQueue 一个*阻塞队列,它使用与类 PriorityQueue 相同的顺序规则,并且提供了阻塞获取操作。

SynchronousQueue 一种阻塞队列,其中每个插入操作必须等待另一个线程的对应移除操作 ,反之亦然。

Java线程:新特征-阻塞栈LinkedBlockingDeque

http://lavasoft.blog.51cto.com/62575/222530/

http://www.cnblogs.com/jackyuj/archive/2010/11/24/1886553.html

PriorityBlockingQueue

http://vakinge.iteye.com/blog/625613

http://blog.csdn.net/xin_jmail/article/details/26157971

http://zzhonghe.iteye.com/blog/826757