Take out a piece of paper and put your name on the upper right corner.

public class BinarySearchTree<E> {
  private BinaryNode<E> root;
  private Comparator<E> c;

  public void insert(E e) {
   // your code
  }

  private class BinaryNode<E> {
    private E data;
    private BinaryNode<E> left;
    private BinaryNode<E> right;
  }
}

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