/**
 * Representation of a graph vertex
 */
public class Vertex {
  private String label;   // label attached to this vertex
  
  /**
   * Construct a new vertex
   * @param label the label attached to this vertex
   */
  Vertex(String label) {
    this.label = label;
  }
  
  /**
   * Get a vertex label
   * @return the label attached to this vertex
   */
  public String getLabel() {
    return label;
  }
}