我为一个家庭树编写了这个树类
现在我需要一种搜索方法来查找树中的节点
它是一个n-ary树,每个节点可以有0到n个孩子
搜索方法可以搜索节点或两个名称包括节点名称和他/她的父姓名
请帮帮我
public class FamilyNode {
public String name;
public String sex;
public FamilyNode Father;
public FamilyNode Mother;
public FamilyNode Spouse=null;
public String status="alive";
public int population;
public ArrayList<FamilyNode> children=new ArrayList<FamilyNode>() ;
public FamilyNode(String name1,String sex1){
this.name=name1;
this.sex=sex1;
this.population=this.children.size()+1;
}
public void SetParents(FamilyNode father,FamilyNode mother){
this.Father=father;
this.Mother=mother;
}
public void SetHW(FamilyNode HW){
this.Spouse=HW;
}
public void AddChild(FamilyNode child){
child.SetParents(this.Father, this.Spouse);
this.children.add(child);
this.Spouse.children.add(child);
}
public int Number (){
int number_of_descendants = this.population;
if(this.Spouse!=null) number_of_descendants++;
for(int index = 0; index < this.children.size(); index++)
number_of_descendants = number_of_descendants+ this.children.get(index).Number();
return number_of_descendants;
}
}
答案 0 :(得分:3)
查看Tree Traversal算法。这个article很好地涵盖了它们(使用递归和出列) 这是遍历树的一种方法
public class FamilyNode {
// ...
// ...
public void traverseNode(){
if(name.equals("NameWeAreLookingFor")){
// We found a node named "NameWeAreLookingFor"
// return here if your are not interested in visiting children
}
for(FamilyNode child : node.children){
child.traverseNode();
}
}
}
要遍历所有树,请执行以下操作:
FamilyNode root = ...;
root.traverseNode();
请注意,此方法使用递归。如果你的树很大,那么我建议你去使用队列,因为递归可能会在StackOverFlow异常中结束。