package class5_3_QueueExceptions;

import java.util.ArrayDeque;
import java.util.Queue;

public class QueueExceptions {
    public static void main(String[] args) {
        Queue<Double> d = new ArrayDeque<Double>();

        if(!d.isEmpty()) {
            Double value = d.element();
            if( value == null ) {
                System.out.println("Handling a null element from the queue.");
            }
        }
    }
}