链表（java版本）

public class DLNode implements Node{


private Object elements;
private DLNode pre;
private DLNode next;

    public DLNode(){}
public DLNode(Object elements, DLNode pre, DLNode next) {
super();
this.elements = elements;
this.pre = pre;
this.next = next;
}



public DLNode getPre() {
return pre;
}




public void setPre(DLNode pre) {
this.pre = pre;
}




public DLNode getNext() {
return next;
}




public void setNext(DLNode next) {
this.next = next;
}
@Override
public Object getData() {
// TODO Auto-generated method stub
return elements;
}


@Override
public void setData(Object obj) {
// TODO Auto-generated method s

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原文链接：chenyu.blog.csdn.net/article/details/47778975