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改进这个问题
我是java新手，正在使用bluej。
课程背景概述。
我正在尝试创建一个俱乐部数据库（arraylist，而不是实际的数据库），用户可以在其中添加一个新的登山者（姓名、年龄、性别）以及他们爬过的山（姓名、高度）到arraylist。
我创建了攀岩类和山地类。我还为登山者创建了一个arraylist，可以添加到这个数组中。我的问题是。。如何将登山者添加到登山者阵列列表中，同时添加他们攀登过的山峰及其高度？
添加登山者的方法需要同时访问登山者和登山者类？我需要把山地班的田野变成登山者吗？
虽然解决问题的代码是赞赏的，如果我是在正确的方向，使我可以理解它更多的帮助！
谢谢。

import java.util.ArrayList;
import java.util.Scanner;
/**
 * Write a description of class ClubStats here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class ClubStats
{
    // An ArrayList for storing climber details.
    private ArrayList<Climber> climbers;

    /**
    * Constructor for objects of class ClubStats
    */
    public ClubStats()
   {
       // Initialise instance variables.
       climbers = new ArrayList<Climber>();
    }

    public void addClimber(Climber newName)
    {
        climbers.add(newName);
    }

   public Climber getClimber(String name)
   {
       Climber foundClimber = null;
       int index = 0;
       boolean searching = true;

       while(searching && index < climbers.size()) {
           Climber climber = climbers.get(index);
           if(climber.getName().equals(name)) {
                   searching = false;
                   foundClimber = climber;
                }
                else {
                    System.out.println(name + " not found");
                    index++;
                }
            }
            return foundClimber;
        }

    public void displayList()
    {
        for (int item = 0; item<climbers.size();
        item++) {
            Climber climber = climbers.get(item);
            System.out.println(climber.getName() + (" ") + climber.getAge() + (" ") 
            + climber.getGender());
        }
    }
}

public class Climber
{
    // Instance variables.
    // The climber name.
    private String name;
    // The climber age
    private int age;
    // The climber gender.
    private String gender;

    /**
     * Constructor for objects of class Climber
     */
    public Climber (String newName, int newAge, String newGender)
    {
        // Initialise instance variables.
        name = newName;
        age = newAge;
        gender = newGender;

    }

    /**
     * Accessor method for climber's name.
     */
    public String getName()
    {
        return name;
    }

    /**
     * Set the climber's name.
     */
    public void setName(String newName)
    {
        name = newName;
    }

    /**
     * Accessor method for climber's age.
     */
    public int getAge()
    {
        return age;

    }

    /**
     * Set the climber's age.
     */
    public void setAge(int newAge)
    {
        age = newAge;

    }

     /**
     * Set the climer's gender.
     */
   public String getGender()
   {
       return gender;
   } 

   /**
     * Accessor method for climber's gender.
     */
    public void getGender(String newGender)
    {
        gender = newGender;

    }

}

public class Mountain
{
    // Instance variables.
    private double height;
    private String name;

    /**
     * Constructor for objects of class Mountain
     */
    public Mountain(String mName, double mHeight)
    {
        // Initialise instance variables
        name = mName;
        height = mHeight;
    }

    /**
     * Accessor method for mountain name.
     */
    public String getName()
    {
        return name;
    }

    /**
     * Set the mountain name.
     */
    public void setName(String newName)
    {
        name = newName;
    }

    /**
     * Accessor method for mountain height.
     */
    public double getHeight()
    {
        // put your code here
        return height;
    }

    /**
     * Set the mountain height.
     */
    public void setHeight(double newHeight)
    {
        height = newHeight;
    }
}