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()); } } }

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