//构造器
public VexNode(GraphNode <T> nd, adjListNode <T> alNode)
{
data = nd;
firstAdj = alNode;
}
//构造器
public VexNode()
{
data = null;
firstAdj = null;
}
//构造器
public VexNode(GraphNode <T> nd)
{
data = nd;
firstAdj = null;
}
public adjListNode(int vex)
{
adjvex = vex;
next = null;
}