@Test public void testToString() throws Exception { Assert.assertNotNull(vertex.toString()); }
@Override public String toString() { return "Vertex{" + "id='" + id + '\'' + '}'; }
Vertex { @Override public String toString() { return "Vertex{" + "id='" + id + '\'' + '}'; } }
Vertex { @Override public String toString() { return "Vertex{" + "id='" + id + '\'' + '}'; } Vertex(String id); }
Vertex { @Override public String toString() { return "Vertex{" + "id='" + id + '\'' + '}'; } Vertex(String id); String getId(); @Override int hashCode(); @Override boolean equals(Object obj); @Override String toString(); }
Vertex { @Override public String toString() { return "Vertex{" + "id='" + id + '\'' + '}'; } Vertex(String id); String getId(); @Override int hashCode(); @Override boolean equals(Object obj); @Override String toString();  }