![import java.util.concurrent.*;
public class ConcurrentLinkedQueueExample {
public static void main(String[] args) {
ConcurrentLinkedQueue<String> queue = new
ConcurrentLinkedQueue<String>();
Thread producer = new Thread(new Producer(queue));
Thread consumer = new Thread(new Consumer(queue));
producer.start();
consumer.start();
}
}
// the producer puts strings on the queue
class Producer implements Runnable {
ConcurrentLinkedQueue<String> queue;
Producer(ConcurrentLinkedQueue<String> queue){
this.queue = queue;
}
public void run() {
System.out.println("Producer Started");
try {
for (int i = 1; i < 10; i++) {
queue.add("String" + i);
System.out.println("Added: String" + i);
Thread.currentThread().sleep(200);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
// the consumer removes strings from the queue
class Consumer implements Runnable {
ConcurrentLinkedQueue<String> queue;](https://image.slidesharecdn.com/7thlab-141128083314-conversion-gate02/85/7th-lab-1-320.jpg)
7th lab
- 1. import java.util.concurrent.*; public class ConcurrentLinkedQueueExample { public static void main(String[] args) { ConcurrentLinkedQueue<String> queue = new ConcurrentLinkedQueue<String>(); Thread producer = new Thread(new Producer(queue)); Thread consumer = new Thread(new Consumer(queue)); producer.start(); consumer.start(); } } // the producer puts strings on the queue class Producer implements Runnable { ConcurrentLinkedQueue<String> queue; Producer(ConcurrentLinkedQueue<String> queue){ this.queue = queue; } public void run() { System.out.println("Producer Started"); try { for (int i = 1; i < 10; i++) { queue.add("String" + i); System.out.println("Added: String" + i); Thread.currentThread().sleep(200); } } catch (Exception ex) { ex.printStackTrace(); } } } // the consumer removes strings from the queue class Consumer implements Runnable { ConcurrentLinkedQueue<String> queue;
- 2. Consumer(ConcurrentLinkedQueue<String> queue){ this.queue = queue; } public void run() { String str; System.out.println("Consumer Started"); for (int x = 0; x < 10; x++) { while ((str = queue.poll()) != null) { System.out.println("Removed: " + str); } try { Thread.currentThread().sleep(500); } catch (Exception ex) { ex.printStackTrace(); } } } } OUTPUT: Producer Started Consumer Started Added: String1 Removed: String1 Added: String2 Added: String3 Removed: String2 Removed: String3 Added: String4 Added: String5 Removed: String4 Removed: String5 Added: String6 Added: String7 Added: String8 Removed: String6 Removed: String7 Removed: String8 Added: String9