Java:尝试创建存储以下内容的数据库

import java.sql.*;

public class DatabaseExample {
    public static void main(String[] args) {
        // 数据库连接信息
        String url = "jdbc:mysql://localhost:3306/mydatabase";
        String username = "root";
        String password = "password";

        try {
            // 加载数据库驱动
            Class.forName("com.mysql.jdbc.Driver");

            // 建立数据库连接
            Connection connection = DriverManager.getConnection(url, username, password);

            // 创建表
            Statement statement = connection.createStatement();
            String createTableQuery = "CREATE TABLE IF NOT EXISTS mytable (id INT PRIMARY KEY, content VARCHAR(255))";
            statement.executeUpdate(createTableQuery);

            // 插入数据
            String insertDataQuery = "INSERT INTO mytable (id, content) VALUES (1, 'Hello, World!')";
            statement.executeUpdate(insertDataQuery);

            // 查询数据
            String selectDataQuery = "SELECT * FROM mytable";
            ResultSet resultSet = statement.executeQuery(selectDataQuery);

            // 输出查询结果
            while (resultSet.next()) {
                int id = resultSet.getInt("id");
                String content = resultSet.getString("content");
                System.out.println("ID: " + id + ", Content: " + content);
            }

            // 关闭连接
            resultSet.close();
            statement.close();
            connection.close();
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
        }
    }
}