import java.util.LinkedList;
import java.util.Queue;


public class UsingJAVA {
			   public static void main(String[] args) {
				 
				  Queue<String> myQueue = new LinkedList<String>();
				  myQueue.add("I");
				  myQueue.add("am");
				  myQueue.add("Learning");
				  myQueue.add("JAVA.");
				  myQueue.add("It");
				  myQueue.add("is");
				  myQueue.add("Interesting.");
				  System.out.println("The size of the queue is :");
				  System.out.print(myQueue.size());
				  System.out.println();
				  
				  String a;
				  String b;
				  System.out.println("The result after peek and element is:");
				  a=myQueue.peek(); //peek retrieves but does not remove
				  b=myQueue.element(); //remove and element throw exceptions
				  
				 
				  System.out.print(a); 
				  System.out.println();
				  System.out.print(b);
				  System.out.println();
				  System.out.println("Using 'poll', which removes the items");
				  System.out.print(myQueue.poll()); //poll removes
				  System.out.println();
				  System.out.print(myQueue.poll());
				  System.out.println();
				  System.out.println("'Remove' command removes an element which is:");
				  System.out.println(myQueue.remove());
				  System.out.println("Emptying the whole queue using clear command");
				  myQueue.clear();
				  System.out.println();
				  System.out.println("Size of the queue after clearance is:");
				  System.out.print(myQueue.size());
			
				 }
	}