// 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

// Edge class for Adjacency Matrix graph representation
class Edgem implements Edge {
  private int vert1, vert2; // The vertex indices

  public Edgem(int vt1, int vt2) { vert1 = vt1; vert2 = vt2; }
  public int v1() { return vert1; }
  public int v2() { return vert2; }
} // class Edgem