完善集合开发

package cn.lishuailiiuy;

public class start {
    public static void main(String[] args) {
        System.out.println("------欢迎使用高级人才管理系统-------");
        // 调用其它程序完成与控制台的交互过程
        new view().core();
        System.out.println("------谢谢使用高级人才管理系统-------");
    }
}

package cn.lishuailiiuy;

import java.util.Collection;
import java.util.Scanner;

//此类主要显示控制台上的数据，显示客户录入到控制台上的数据
public class view {
    public void core() {
        while (true) {
            System.out.println("请选择你的操作类型：");
            System.out.println("A 添加    B 删除    C 修改   D 查询    E 查询所有   F 退出");
            // 获取键盘录入
            String get = getKeyOf();
            get = get.toUpperCase();
            switch (get) {
            case "A":
                addper();
                break;
            case "B":
                break;
            case "C":
                removeRen();
                break;
            case "D":
                findDanRen();
                break;
            case "E":
                findAllPeople();
                break;
            case "F":
                // 只要选择退出就结束
                return;
            default:
                System.out.println("你输入的选项错误");

            }
        }
    }

    private void findDanRen() {
        // TODO Auto-generated method stub
        System.out.println("请输入你要查询的人的姓名：");
        String st = getKeyOf();
        fengPople p = jihePeople.getPeople().addDanPeople(st);
        if (p == null) {
            System.out.println("你查询的人，不存在");
        } else {
            System.out.println(p);
        }
    }

    private void findAllPeople() {
        // TODO Auto-generated method stub
        Collection<fengPople> coll = jihePeople.getPeople().addAllPeople();
        for (fengPople fengPople : coll) {
            System.out.println(fengPople);
        }
    }

    private void removeRen() {
        // TODO Auto-generated method stub
        System.out.println("请输入要改正人员的名字：");
        String st = getKeyOf();
        boolean boo = jihePeople.getPeople().xiuRen(st);
        if (boo == false) {
            System.out.println("你输入的人员名字不存在，请重新输入：");
            removeRen();
        } else {
            // 当返回的是true时就需要重新输入
            addper();
        }

    }

    private void addper() {
        // TODO Auto-generated method stub
        System.out.println("请输入你的姓名：");
        String name = getKeyOf();

        int age = getAge();
        System.out.println("请输入你的性别：");
        String nex = getKeyOf();
        System.out.println("请输入你的住址：");
        String addr = getKeyOf();
        System.out.println("请输入你的爱好：");
        String good = getKeyOf();
        // 到这里客户端录入已经完成，这时需要将这些数据进行封装
        fengPople p = new fengPople();
        p.setName(name);
        p.setAge(age);
        p.setAddr(addr);
        p.setGood(good);
        // 这时将此人的信息添加到一个集合中去
        jihePeople.getPeople().addPeople(p);
    }

    private int getAge() {
        // TODO Auto-generated method stub
        System.out.println("请输入你的年龄：");
        String stage = getKeyOf();
        try {
            int age = Integer.parseInt(stage);
            return age;
        } catch (NumberFormatException e) {
            System.out.println("你输入的年龄不是纯数字请重新输入");
            return getAge();
        }

    }

    public String getKeyOf() {
        Scanner sc = new Scanner(System.in);
        return sc.nextLine();
    }
}
```java
package cn.lishuailiiuy;

public class fengPople {
    private String name;
    private int age;
    private String nex;
    private String addr;
    private String good;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getNex() {
        return nex;
    }

    public void setNex(String nex) {
        this.nex = nex;
    }

    public String getAddr() {
        return addr;
    }

    public void setAddr(String addr) {
        this.addr = addr;
    }

    public String getGood() {
        return good;
    }

    public void setGood(String good) {
        this.good = good;
    }

    @Override
    public String toString() {
        return "fengPople [name=" + name + ", age=" + age + ", nex=" + nex + ", addr=" + addr + ", good=" + good + "]";
    }
}
```java
package cn.lishuailiiuy;

import java.util.Collection;
import java.util.HashMap;

public class jihePeople {
    private jihePeople() {
    }

    private static final jihePeople jh = new jihePeople();

    public static jihePeople getPeople() {
        return jh;
    }

    private final HashMap<String, fengPople> hm = new HashMap<String, fengPople>();

    public void addPeople(fengPople p) {
        System.out.println(p);
        hm.put(p.getName(), p);

    }

    public boolean xiuRen(String name) {
        fengPople p = hm.get(name);
        if (p == null) {
            return false;
        } else {
            // 当集合中有这个人时，就将这个人的信息全部删除
            return true;
        }
    }

    public Collection<fengPople> addAllPeople() {
        // TODO Auto-generated method stub
        return hm.values();
    }

    public fengPople addDanPeople(String name) {
        // TODO Auto-generated method stub
        return hm.get(name);
    }
}