链表的Java实现（使用内部类作为指针的引用）

class Element {private String name;private Element next;public Element(String name) {this.name = name;}public String getName() {return this.name;}public void setNextElement(Element next) {this.next = next;}public Element getNextElement() {return this.next;}}public class LinkDemo {public static void main(String args[]) {Element root = new Element("根节点");Element elem1 = new Element("节点1");Element elem2 = new Element("节点2");Element elem3 = new Element("节点3");Element elem4 = new Element("节点4");root.setNextElement(elem1);elem1.setNextElement(elem2);elem2.setNextElement(elem3);elem3.setNextElement(elem4);print(root);}public static void print(Element elem) {if (elem != null) {System.out.print(elem.getName() + " --> ");}if (elem.getNextElement() != null) {print(elem.getNextElement());}}}