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import com.hazelcast.core.*;
import com.hazelcast.config.*;
import java.util.Map;
import java.util.Queue;
public class GettingStarted {
public static void main(String[] args) {
Config cfg = new Config();
HazelcastInstance instance = Hazelcast.newHazelcastInstance(cfg);
Queue<String> queueCustomers = instance.getQueue("customers");
queueCustomers.offer("Tom");
queueCustomers.offer("Mary");
queueCustomers.offer("Jane");
System.out.println("First customer: " + queueCustomers.poll());
System.out.println("Second customer: "+ queueCustomers.peek());
System.out.println("Queue size: " + queueCustomers.size());
}
}
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