[Java] Small Project Version.2

package Model;

import java.time.LocalDateTime;

public class MemoVo {


    public int count;
    public String name;
    public String password;
    public String memo;
    public LocalDateTime createdAt;


    public MemoVo(int count, String name, String password, String memo, LocalDateTime createdAt) {
        this.count = count;
        this.name = name;
        this.password = password;
        this.memo = memo;
        this.createdAt = LocalDateTime.now();

    }



    public int getCount() {
        return count;
    }

    public String getName() {
        return name;
    }

    public String getPassword() {
        return password;
    }

    public void setCount(int count) {
        this.count = count;
    }

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

    public void setPassword(String password) {
        this.password = password;
    }



    public void updateMemo(String memo) {
        this.memo = memo;
    }

    public String getMemo() {
        return memo;
    }

    public LocalDateTime getCreatedAt() {
        return createdAt;
    }

    public void setCreatedAt(LocalDateTime createdAt) {
        this.createdAt = createdAt;
    }

    public String formatForFile() {
        return this.count + this.name + this.memo;

    }

    @Override
    public String toString() {
        return
                "count=" + count +
                        ", Name='" + name + '\'' +
                        ", Password='" + password + '\'' +
                        ", Memo='" + memo + '\'' +
                        ", CreationTime=" + createdAt +
                        '}';
    }


}

package Service;


import Model.MemoVo;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Scanner;

public class Memolist {

    private Scanner sc = new Scanner(System.in);


    private LocalDateTime createdAt;
    private LocalDateTime updatedAt;
    private List<MemoVo> memos;

    private int count=0;

    public Memolist() {
        this.memos = new ArrayList<>();
        this.createdAt = LocalDateTime.now();
        this.updatedAt = LocalDateTime.now();
    }

    public void display() {

        while (true) {
            System.out.println("1.ADD");
            System.out.println("2.MemoList");
            System.out.println("3.Update");
            System.out.println("4.Delete");
            System.out.println("5.Exit");
            System.out.print("Enter Input : ");
            int a = sc.nextInt();
            if (a == 1) {
                System.out.print("Enter name : ");
                String name = sc.next();
                System.out.print("Enter password : ");
                String password = sc.next();
                System.out.print("Enter memo : ");
                String memo = sc.next();
                addMemo(name, password, memo);
            } else if (a == 2) {
                System.out.println("Check memo list ");
                System.out.println("");
                checkMemo();
            } else if (a == 3) {
                System.out.print("Enter Id : ");
                int id = sc.nextInt();
                updateMemo(id);

            } else if (a == 4) {
                System.out.print("Enter Id : ");
                int id = sc.nextInt();
                deleteMemo(id);

            } else if (a == 5) {
                break;
            } else {
                System.out.print("Error : No option ");


            }
        }

    }

    private void deleteMemo(int id) {

        for (MemoVo memoVo : memos) {
            if (id == memoVo.getCount()) {
                System.out.print("Enter Password for Delete : ");
                String password = sc.next();
                if (Objects.equals(password, memoVo.getPassword())) {
                    memos.remove(id-1);
                    System.out.print("Success Delete!!");
                }
                break;
            }
        }
        for (int i = 0; i <= memos.size() - 1; i++) {
            if (i == 0) {
                memos.get(i).setCount(1);

            } else {
                memos.get(i).setCount(i+1);
            }

        }count= count -1;


    }


    private void updateMemo(int id) {
        String password = "";
        for (MemoVo memoVo : memos) {
            if (id == memoVo.getCount()) {
                System.out.print("Enter Password for Update : ");
                password = sc.next();

                if (Objects.equals(password, memoVo.getPassword())) {
                    System.out.println(memoVo.getMemo());
                    System.out.print("Enter Update memo : ");
                    String memo = sc.next();
                    memoVo.updateMemo(memo);
                    memoVo.setCreatedAt(LocalDateTime.now());

                    System.out.println("Success Update");
                    break;
                } else {

                    System.out.println("Error: Password");
                }


            }

        }
    }


    private void addMemo(String name, String password, String memo) {

        count++;

        MemoVo memoVo = new MemoVo(count, name, password, memo, createdAt);
        memos.add(memoVo);
        System.out.println("Success add information. Thanks.");


    }

    private void checkMemo() {
        for (MemoVo memo1 : memos) {
            System.out.println(memo1.toString());
        }
    }


    }

import Service.Memolist;


public class Main {
    public static void main(String[] args) {
        Memolist mf = new Memolist();

        mf.display();

    }
}

///MemoVo Test
//        int id = 101;
//        String name = "Tron: Legacy";
//        String password = "2010";
//        String memo = "memmmo";
//        LocalDateTime time = LocalDateTime.now();
//        MemoVo memoVo = new MemoVo(id,name,password,memo,time);
//
//        System.out.println(memoVo.id);
//        System.out.println(memoVo.name);
//        System.out.println(memoVo.password);
//        System.out.println(memoVo.memo);
//        System.out.println(memoVo.time);
//        System.out.println(memoVo.formatForFile());
//        System.out.println(memoVo.toString());
//