Which collection inherits comparator?

WhoInheritsComparator.java

import java.util.Collection;
import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.PriorityBlockingQueue;

public class WhoInheritsComparator {
  public static void main(String[] args) {
    SortedSet<Integer> c1 = new TreeSet<>(Comparator.reverseOrder());
    Collection<Integer> c2 = new TreeSet<>(Comparator.reverseOrder());
    Collection<Integer> c3 = new PriorityQueue<>(Comparator.reverseOrder());
    Collection<Integer> c4 = new PriorityBlockingQueue<>(10, Comparator.reverseOrder());

    System.out.println("              TreeSet: " +
                       (new TreeSet<>(c1).comparator() != null) + "\t" + // inherits
                       (new TreeSet<>(c2).comparator() != null) + "\t" + // not inherits
                       (new TreeSet<>(c3).comparator() != null) + "\t" + // not inherits
                       (new TreeSet<>(c4).comparator() != null));        // not inherits
    System.out.println("        PriorityQueue: " +
                       (new PriorityQueue<>(c1).comparator() != null) + "\t" + // inherits
                       (new PriorityQueue<>(c2).comparator() != null) + "\t" + // inherits
                       (new PriorityQueue<>(c3).comparator() != null) + "\t" + // inherits
                       (new PriorityQueue<>(c4).comparator() != null));        // not inherits
    System.out.println("PriorityBlockingQueue: " +
                       (new PriorityBlockingQueue<>(c1).comparator() != null) + "\t" + // inherits
                       (new PriorityBlockingQueue<>(c2).comparator() != null) + "\t" + // inherits
                       (new PriorityBlockingQueue<>(c3).comparator() != null) + "\t" + // not inherits
                       (new PriorityBlockingQueue<>(c4).comparator() != null));        // inherits
  }
}