没有找到带有 VSCode 类的 JDBC，我设置了类路径

Question

import java.sql.*;

public class jdbc1 { public static ResultSet ResultSetrs; public static ResultSet rs;
class MysqlCon {
    public static void main(String args[]) {
        try {
            Class.forName("com.mysql.jdbc.Driver");
            Connection con = DriverManager.getConnection(
                    "jdbc:mysqli://localhost:3306/office", "root", "");
            Statement stmt = con.createStatement();
            ResultSetrs = stmt.executeQuery("select * from department");
            while (rs.next())
                System.out.println(rs.getInt(1) + " " + rs.getString(2));
            con.close();
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

}

java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver 谁能帮忙