public LinkNode(LinkNode <T> next) { this.next = next; data = default(T); }
public LinkNode(T data) { this.data = data; next = null; }
public LinkNode(T data, LinkNode <T> next) { this.data = data; this.next = next; }
private LinkNode <T> next; //指向下一节点 public LinkNode() { data = default(T); next = null; }