java.lang.NoClassDefFoundError: java/sql/Driver

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

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

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

        // 建立数据库连接
        try (Connection connection = DriverManager.getConnection(url, username, password);
             Statement statement = connection.createStatement()) {
            // 执行查询语句
            ResultSet resultSet = statement.executeQuery("SELECT * FROM users");

            // 处理查询结果
            while (resultSet.next()) {
                int id = resultSet.getInt("id");
                String name = resultSet.getString("name");
                System.out.println("ID: " + id + ", Name: " + name);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}