ZCW-ORM-SimpleAccount/src/main/java/AccountApp.java

import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.dao.DaoManager;
import com.j256.ormlite.jdbc.JdbcConnectionSource;
import com.j256.ormlite.support.ConnectionSource;
import java.util.*;

import java.sql.SQLException;

public class AccountApp {

    // we are using a MySQl database
    private final static String DATABASE_URL = "jdbc:mysql://localhost:3306/orm_lab?useUnicode=true";

    private Dao<Account, Integer> accountDao;

    public static void main(String[] args) throws Exception {
        // turn our static method into an instance of Main
        new AccountApp().doMain(args);
    }

    private void doMain(String[] args) throws Exception {
        ConnectionSource connectionSource = null;
        try {
            // create our data-source for the database
            connectionSource = new JdbcConnectionSource(DATABASE_URL, "root", "");
            // setup our  DAOs
            setupDao(connectionSource);
            // read, write and delete some data

            boolean flag = true;
            while (flag) {

                Scanner in = new Scanner(System.in);
                System.out.println("What do you like to do? Create/ Read/ Update/ Delete");
                String command = in.nextLine();
                if (command.equalsIgnoreCase("create")) {
                    System.out.println("Enter your username.");
                    String name = in.nextLine();
                    System.out.println("Enter your password.");
                    String password = in.nextLine();
                    this.createAccount(name, password);

                } else if (command.equalsIgnoreCase("read")) {

                    this.readInfo();


                } else if (command.equalsIgnoreCase("update")) {
                    System.out.println("What is the id that you want to make a change to?");
                    int id = in.nextInt();
                    System.out.println("Enter your username.");
                    String name = in.nextLine();
                    System.out.println("Enter your password.");
                    String password = in.nextLine();
                    this.updateInfo(id, name, password);
                } else if (command.equalsIgnoreCase("delete")) {
                    System.out.println("What is the id that you want to make a change to?");
                    int id = in.nextInt();
                    this.deleteInfo(id);

                } else if (command.equalsIgnoreCase("exit")){

                    flag = false;
                }

                // destroy the data source which should close underlying connections
                if (connectionSource != null) {
                    connectionSource.close();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

    }


            /**
             * Read and write some example data.
             */
            // create, read, update, delete;


            private void createAccount (String name, String password) throws SQLException {
                Account account = new Account(name);
                account.setPassword(password);
                accountDao.create(account); //Create;
            }

            private void readInfo () throws SQLException {

                List<Account> accounts = accountDao.queryForAll();

                for (Account acc : accounts) {
                    System.out.print("ID" + " " + acc.getId() + " Name" + " " + acc.getName()+ "\n");
                }
            }


            private void updateInfo ( int id, String name, String password) throws Exception {
                if (accountDao.idExists(id)) {
                    Account account = accountDao.queryForId(id);
                    account.setName(name);
                    account.setPassword(password);
                    accountDao.update(account);
                }
            }

            private void deleteInfo ( int id) throws Exception {
                if (accountDao.idExists(id)) {
                    accountDao.deleteById(id);
                }
            }


            /**
             * Setup our  DAOs
             */
            private void setupDao (ConnectionSource connectionSource) throws Exception {

                accountDao = DaoManager.createDao(connectionSource, Account.class);
            }
    }