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What are the main Concurrent Collection classes in Java?

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Pragya Keshap answered on February 4, 2023 Popularity 3/10 Helpfulness 4/10

answer What are the main Concurrent Collection classes in Java?

What are the main Concurrent Collection classes in Java?

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Java 1.5 has provided new package java.util.concurrent. This

package contains thread-safe collection classed. These collection

classes can be modified while iterating. The iterator of these

classes is fail-safe.

Main Concurrent Collection classes in Java 8 are:

ArrayBlockingQueue

CopyOnWriteArrayList

CopyOnWriteArraySet

ConcurrentHashMap

ConcurrentLinkedDeque

ConcurrentLinkedQueue

LinkedBlockingQueue

LinkedBlockingDeque

PriorityBlockingQueue

public class ProducerConsumerDemo {
   static BlockingQueue<Integer> queue = new
      LinkedBlockingQueue<>(5);
   public static void main(String[] args) throws
         InterruptedException {
      int noOfProducers = 7;
      int noOfConsumers = 9;
      for (inti = 0; i < noOfProducers; i++) {
         new Thread(new Producer(), "PRODUCER").start();
      }
      for (int i = 0; i < noOfConsumers; i++) {
         new Thread(new Consumer(), "CONSUMER").start();
      }
      System.exit(0);
   }
   static class Producer implements Runnable {
      Random random = new Random();
      public void run() {
         try {
            int num = random.nextInt(100);
            queue.put(num);
            System.out.println("Produced: " + num
               + " Queue size : "+ queue.size());
            Thread.sleep(100);
         } catch (InterruptedException ex) {
            System.out.println("Producer is interrupted.");
         }
      }
   }
   static class Consumer implements Runnable {
      public void run() {
         try {
            System.out.println("Consumed: " + queue.take()
               + " Queue size : "+ queue.size());
            Thread.sleep(100);
         } catch (InterruptedException ex) {
            System.out.println("Consumer is interrupted.");
         }
      }
   }
}

https://www.developer.com/design/an-introduction-to-concurrent-collection-apis-in-java/

Popularity 3/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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