Cara Pemangilan Class dan Menampilkan pada Komponen ZKoss

package tutorial.blog.database;import java.sql.Connection;import java.sql.DriverManager;public class tes {public static void main (String[]args) {try {Class.forName("com.mysql.jdbc.Driver");}catch (Exception ex) {System.err.println("Error (1): "+ex); System.exit(1);}
//Bentuk Koneksi
Connection koneksi=null;try {koneksi =DriverManager.getConnection ("jdbc:mysql://localhost/infonegara","java","java");System.out.println("Koneksi berhasil boss...");}
catch (Exception ex) {System.out.println("Error (2): "+ex);System.exit(1);}}}