Question

我有一项家庭作业，我需要将患者数据加载到节点中，然后才能搜索树。该节点将存储患者姓名，医生姓名，当前预约以及下一年度预约日期。从文本文件中读取数据。我想使用arrayList将数据存储到节点中，但令人困惑的部分是如何将arrayList的某些数据存储到每个节点？（我希望这是有道理的）这是我在我的文本文件中读取的类...（数组实现不完整）

    import java.io.*;
import java.util.*;


public class readFile {
private Scanner x;


public void openFile(){
    try{
        x = new Scanner(new File("patients.txt"));
    }
    catch (Exception e){
        System.out.println("Couldn't find file!");
    }

}

public void readFile(){

ArrayList<String> data = new ArrayList<String>();   
    while(x.hasNext()){
        String PatientName = x.next();
        String DoctorName = x.next();
        String currentApp = x.next();
        String NextApp = x.next();


    }
}
public void closeFile(){
    x.close();
}

}

这是我的树类

public class Tree {

    Node root;

    public void addNode(int key, String patientName, String DocName, String currentApp, String nextApp){
        Node newNode = new Node(key, patientName, DocName, currentApp, nextApp);

        if(root == null){
            root = newNode;
        }

        else{
            Node currentNode = root;

            Node parent;

            while(true){
                parent = currentNode;

                if(key < currentNode.key){
                    currentNode = currentNode.leftChild;

                    if(currentNode == null){
                        parent.leftChild = newNode;
                        return;
                    }

                }
                else{
                    currentNode = currentNode.rightChild;

                    if (currentNode ==null){
                        parent.rightChild = newNode;
                        return;
                    }
                }

            }
        }
    }


    public void Traversal(Node currentNode){
        if(currentNode != null){
            Traversal(currentNode.leftChild);
            System.out.println(currentNode);

            Traversal(currentNode.rightChild);
        }
    }

    public static void main(String[] args){

        Tree binaryTree = new Tree();
        readFile read = new readFile();

        read.openFile();
        read.readFile();

    }
}

class Node{
    int key;
    String patientName;
    String DocName;
    String currentApp;
    String nextApp;

    Node leftChild;
    Node rightChild;

    Node(int key, String patientName, String DocName, String currentApp, String nextApp){

        this.key = key;
        this.patientName = patientName;
        this.DocName = DocName;
        this.currentApp = currentApp;
        this.nextApp = nextApp;


    }



}

这是文本文件

   Baker, William,      Chavez,     04/01/05,   04/10/06
Sanchez, Jose,      Chavez,     06/15/05,
Anderson, Robert,   Wong,       04/02/05,   03/30/06
Watson, David,      Chavez,     05/03/05,   04/28/06
Chung, Yu,      Gilbert,    07/10/05,
Griffin, Sandy,     Gilbert,    06/20/05,   06/20/06
Marcus, Wendy,      Wong,       08/02/05,   08/03/06
Williams, Rebbeca,  Chavez,     08/10/05,   08/11/06
Kennedy, Fred,      Wong,       07/16/05,   07/15/06
Henderson, Paul,    Wong,       02/15/05,           
Tucker, Matthew,    Wong,       04/10/05,   04/11/06
Coombs, Jean,       Gilbert,    05/01/05,   04/10/06    
Earl, Gary,     Gilbert,    06/03/05,   05/10/06
Atkins, Anthony,    Chavez,     09/10/05,   09/11/06
Garcia, Jesus,      Chavez,     10/10/05,   
David, James,       Wong,       02/02/05,   02/03/06
Young, Ed,      Gilbert,    07/09/05,   07/10/06
Jones, Richard,     Gilbert,    08/01/05,   08/10/06
Peterson, Jerry,    Wong,       06/02/05,   06/03/06
Arnold, Belinda,    Chavez,     01/10/05,   01/11/06
Franklin, Jason,    Wong,       09/12/05,   09/13/06
Trent, Joseph,      Gilbert,    03/12/05,   
Valdez, Tomas,      Gilbert,    10/15/05,   10/10/06
Gent, Charles,      Wong,       10/22/05,   10/11/06
Roper, Joan,        Chavez,     03/10/05,   03/21/06
Lopez, Ricky,       Wong,       03/24/05,   03/25/06
Henry, Sarah,       Gilbert,    04/18/05,   04/17/06
Nathan, James,      Chavez,     06/10/05,   08/11/06
Ulvan, Rachel,      Chavez,     09/10/05,   
Mears, Sally,       Wong,       05/05/05,   
Edwards, Sam,       Gilbert,    05/21/05,   05/22/06
Rubino, Ian,        Gilbert,    07/24/05,   07/21/06
Osborn, Janet,      Chavez,     07/10/05,   07/11/06
Barton, Michael,    Chavez,     10/10/05,   10/16/06
Quinn, Pat,     Gilbert,    08/27/05,   08/29/06
Inglis, Peggy,      Wong,       08/30/05,   08/29/06

Answer 1

创建一个名为Appointment的类。将它们存储在您的节点和ArrayList。

中

class Appointment {
    String patientName;
    String DocName;
    String currentApp;
    String nextApp;

    public Appointment (/*Get parameters*/) {
         /*Set parameters to members*/
    }
}

这是您的新Node

class Node{
    int key;
    Appointment app;

    Node leftChild;
    Node rightChild;

    Node(int key, Appointment app){
        this.key = key;
        this.app = app;
    }

}

您可以像ArrayList

那样定义ArrayList<Appointment> appointments = new ArrayList<>();

将节点中的数据存储到BST中

1 个答案: