打字猴:1.700467563e+09
1700467563 public interface IBranch{
1700467564
1700467565 //获得信息
1700467566
1700467567 public String getInfo();
1700467568
1700467569 //增加数据节点,例如研发部下设的研发一组
1700467570
1700467571 public void add(IBranch branch);
1700467572
1700467573 //增加叶子节点
1700467574
1700467575 public void add(ILeaf leaf);
1700467576
1700467577 //获得下级信息
1700467578
1700467579 public ArrayList getSubordinateInfo();
1700467580
1700467581 }
1700467582
1700467583 有了接口,就应该有实现,其具体的实现类,如代码清单21-4所示。
1700467584
1700467585 代码清单21-4 分支的节点实现
1700467586
1700467587 public class Branch implements IBranch{
1700467588
1700467589 //存储子节点的信息
1700467590
1700467591 private ArrayList subordinateList=new ArrayList();
1700467592
1700467593 //树枝节点的名称
1700467594
1700467595 private String name=””;
1700467596
1700467597 //树枝节点的职位
1700467598
1700467599 private String position=””;
1700467600
1700467601 //树枝节点的薪水
1700467602
1700467603 private int salary=0;
1700467604
1700467605 //通过构造函数传递树枝节点的参数
1700467606
1700467607 public Branch(String name,String position,int salary){
1700467608
1700467609 this.name=name;
1700467610
1700467611 this.position=position;
1700467612
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