Create a Queue from LinkedList in Java

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
public class Demo {
	public static void main(String[] args) {
		Queue<String>queue = new LinkedList<String>();
		queue.add("P");
		queue.add("Q");
		queue.add("R");
		queue.add("S");
		queue.add("T");
		queue.add("U");
		queue.add("V");
		List<String>list = new ArrayList<String>(queue);
		for (Object ob: list)
		 System.out.println(ob);
	}
}