java连接mysql数据库驱动加载失败

import java.sql.*;

public class MySQLConnectionExample {
    public static void main(String[] args) {
        Connection connection = null;
        try {
            // 加载MySQL驱动
            Class.forName("com.mysql.cj.jdbc.Driver");
            
            // 建立数据库连接
            String url = "jdbc:mysql://localhost:3306/mydatabase";
            String username = "your-username";
            String password = "your-password";
            connection = DriverManager.getConnection(url, username, password);
            
            // 执行数据库操作
            // ...
            
        } catch (ClassNotFoundException e) {
            System.out.println("MySQL驱动加载失败");
            e.printStackTrace();
        } catch (SQLException e) {
            System.out.println("数据库连接失败");
            e.printStackTrace();
        } finally {
            // 关闭数据库连接
            if (connection != null) {
                try {
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}