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链接点：

package test14_link;/** * Created by mlink on 2017/3/17. */public class Link {    private long data;//数据域    private Link next;//指针域    public Link(long data){        this.data =data;    }    public long getData() {        return data;    }    public void setData(long data) {        this.data = data;    }    public Link getNext() {        return next;    }    public void setNext(Link next) {        this.next = next;    }}

测试：

package test14_link;/** * Created by mlink on 2017/3/17. */public class Test {    public static void main(String[] args) {        Link l1 = new Link(10);        Link l2 = new Link(45);        Link l3 = new Link(360);        Link l4 = new Link(1);        l1.setNext(l2);        l2.setNext(l3);        l3.setNext(l4);        System.out.println(l1.getData());        System.out.println(l1.getNext().getData());        System.out.println(l1.getNext().getNext().getData());    }}

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