import java.util.LinkedList;
import java.util.List;

public class Ps2Vertex {
  protected LinkedList edges;
  protected String vertexname;
  Ps2Vertex (String vertexname) { 
    this.vertexname=vertexname; 
    edges=new LinkedList(); 
  }
  String getName () { return vertexname; }
  void addEdge (Ps2Edge anEdge) { edges.addLast(anEdge); }
  int numConnections () { return edges.size(); }
  Ps2Edge getEdge (int n) { return ((Ps2Edge)edges.get(n)); }
  LinkedList getConnections () { return edges; }
}