Oprea

Queue

---

import java.util.*;

public class apple {

public static void main(String[] args) {

PriorityQueue<String> q = new PriorityQueue<String>();
q.offer("First");
q.offer("Second");
q.offer("Third");

System.out.printf("%s ", q);
System.out.println();

System.out.printf("%s ", q.peek());
System.out.println();

q.poll();
System.out.printf("%s ", q);
System.out.println();

String[] things = {"apple", "bob", "ham", "bob", "bacon" };
List<String> list = Arrays.asList(things);

System.out.printf("%s ", list);
System.out.println();

Set<String> set = new HashSet<String>(list);
System.out.printf("%s ", set);
}

}