connect ติดต่อกับ oracle+jsp นู๋ต้องการเขียน connect ติดต่อกับ ฐานข้อมูล oracle ทำยังไงค่ะ

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.*;

public class Test {

  private static final String username = "KSDK";
  private static final String password = "KSDK";
  private static final String URL = "jdbc:oracle:thin:@172.16.19.156:1521:ksdk";

  public static void main(String[] args) throws Exception {
      try{
            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection c = DriverManager.getConnection(URL, username, password);
            Statement s =c.createStatement();
            ResultSet rs = s.executeQuery("select sysdate from dual");
            while(rs.next()){
                System.out.println("Date is : "+rs.getDate(1));
            }
         } catch (SQLException ex) {
               System.out.println(ex);
         }
  }
}