java实现家庭关系图_左孩子右兄弟二叉树实现家族家谱
时间: 2023-07-12 15:31:01 浏览: 132
Java可以使用左孩子右兄弟二叉树来实现家族家谱。左孩子右兄弟二叉树是一种特殊的二叉树,它的每个节点都有两个指针:一个指向它的第一个孩子节点,另一个指向它的兄弟节点。
家族家谱可以看作一个树形结构,其中每个节点表示一个家庭成员,节点之间的关系可以用左孩子右兄弟二叉树来表示。具体实现可以定义一个家庭成员类,其中包括成员的姓名、性别、出生日期等信息,以及左孩子和右兄弟节点的引用。
代码如下:
```
public class FamilyMember {
private String name;
private String gender;
private Date birthday;
private FamilyMember leftChild;
private FamilyMember rightSibling;
// 构造函数
public FamilyMember(String name, String gender, Date birthday) {
this.name = name;
this.gender = gender;
this.birthday = birthday;
}
// getter和setter方法
public String getName() {
return name;
}
public String getGender() {
return gender;
}
public Date getBirthday() {
return birthday;
}
public FamilyMember getLeftChild() {
return leftChild;
}
public void setLeftChild(FamilyMember leftChild) {
this.leftChild = leftChild;
}
public FamilyMember getRightSibling() {
return rightSibling;
}
public void setRightSibling(FamilyMember rightSibling) {
this.rightSibling = rightSibling;
}
}
```
然后可以定义一个家谱类,其中包括家谱的根节点,以及添加成员、查找成员等方法。
```
public class FamilyTree {
private FamilyMember root;
// 添加成员
public void addMember(FamilyMember member, FamilyMember parent) {
if (parent == null) {
root = member;
} else {
if (parent.getLeftChild() == null) {
parent.setLeftChild(member);
} else {
FamilyMember sibling = parent.getLeftChild();
while (sibling.getRightSibling() != null) {
sibling = sibling.getRightSibling();
}
sibling.setRightSibling(member);
}
}
}
// 查找成员
public FamilyMember findMember(String name) {
return findMemberHelper(root, name);
}
private FamilyMember findMemberHelper(FamilyMember member, String name) {
if (member == null) {
return null;
}
if (member.getName().equals(name)) {
return member;
}
FamilyMember sibling = member.getLeftChild();
while (sibling != null) {
FamilyMember result = findMemberHelper(sibling, name);
if (result != null) {
return result;
}
sibling = sibling.getRightSibling();
}
return null;
}
}
```
使用示例:
```
FamilyTree tree = new FamilyTree();
FamilyMember grandpa = new FamilyMember("张三", "男", new Date());
FamilyMember dad = new FamilyMember("李四", "男", new Date());
FamilyMember mom = new FamilyMember("王五", "女", new Date());
FamilyMember son = new FamilyMember("赵六", "男", new Date());
// 添加成员
tree.addMember(grandpa, null);
tree.addMember(dad, grandpa);
tree.addMember(mom, grandpa);
tree.addMember(son, dad);
// 查找成员
FamilyMember member = tree.findMember("赵六");
System.out.println(member.getName()); // 输出:赵六
```
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