Source of 29.17.java

Structures and functions

  1: public boolean addVertex(T vertexLabel)
  2: {
  3:    VertexInterface<T> addOutcome = vertices.add(vertexLabel, new Vertex<>(vertexLabel));
  4:    return addOutcome == null; // Was addition to dictionary successful?
  5: } // end addVertex
  6: // Version 4.0