Collections and Generics

Question : 41 of 53

Marks: +1, -0

Given:

import java.util.*;
class Test {
  public static void main(String[] args) {
   /* insert code here*/ 
   x.add("one");
   x.add("two");
   x.add("TWO");
   System.out.println(x.poll());
  }
}

Which, inserted at /* insert code here,*/ will compile? (Choose all that apply.)

List < String > x = new LinkedList < String > ();
TreeSet < String > x = new TreeSet < String > ();
HashSet < String > x = new HashSet < String > ();
Queue < String > x = new PriorityQueue < String > ();
ArrayList < String > x = new ArrayList < String > ();
LinkedList < String > x = new LinkedList < String > ();

Validate

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