Connector/J でMySQL にアクセス

import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
 
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.Statement;
 
public class Main {
 
    public static void main(String[] args) {
 
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
         
        String connectionString = "jdbc:mysql://localhost/lightbox?user=root&password=";
 
        try {
            // 接続文字列で接続
            conn = (Connection) DriverManager.getConnection(connectionString);
             
            String query = "select * from 社員マスタ";
             
            stmt = (Statement) conn.createStatement();
            rs = stmt.executeQuery(query);
             
            String scode;
            String sname;
            while( rs.next() ) {
                 
                scode = rs.getString(1);
                sname = rs.getString(2);
                 
                System.out.println("番号:" + scode + " " + sname);
 
                scode = rs.getString("社員コード");
                sname = rs.getString("氏名");
                 
                System.out.println("列名:" + scode + " " + sname);
                 
                 
            }
 
             
            rs.close();
            stmt.close();
            // 接続を閉じる
            conn.close();
             
        } catch (SQLException e) {
            // TODO 自動生成された catch ブロック
            e.printStackTrace();
        }
 
 
        System.out.println("終了");
 
    }
 
}