// Source code example for "A Practical Introduction
// to Data Structures and Algorithm Analysis"
// by Clifford A. Shaffer, Prentice Hall, 1998.
// Copyright 1998 by Clifford A. Shaffer

class DijkElem implements Elem {
  private int vertex;
  private int distance;

  public DijkElem(int v, int d) { vertex = v; distance = d; }
  public DijkElem() {vertex = 0; distance = 0; }

  public int key() { return distance; }
  public int vertex() { return vertex; }
} // class DikjElem