System.out.println("hashCode");
int x = 3;
int y = 4;
float weight = 5.6f;
UndirectedEdge instance = new UndirectedEdge(x, y, weight);
UndirectedEdge instance2 = new UndirectedEdge(x, y, weight);
assertEquals(instance2.hashCode(), instance.hashCode());
assertEquals(instance.hashCode(), new UndirectedEdge(x, y, weight).hashCode());
assertFalse(instance.hashCode() == new UndirectedEdge(6, 6, weight).hashCode());
}