You can study and implement the following examples to create a simple Java-based database-driven web application which makes use of JSP and Servlets applying a MVC (model-view-controller) principle.
Create the following files:
DatabaseConnection.java
package sample;
import java.sql.*;
public class DatabaseConnection {
public static Connection getConnection() {
Connection con = null;
try {
// change the following line to your jdbc driver
Class.forName("com.borland.datastore.jdbc.DataStoreDriver");
// change this to "your database url", "username", "password"
con = DriverManager.getConnection("jdbc:borland:dslocal:C:\\a.jds","Sample","");
System.out.println(con);
}
catch (Exception ex) {
ex.printStackTrace();
}
return con;
}
}
Security plays a significant role in our day to day life. So far software applications are concerned, security of data is required for authentication and for several validations. Normally while developing the applications, we use the concept of cryptography for password encryption and decryption. Some applications require more security, so they go for high end security system like trusted security certificates. The security mainly focuses on the integrity of the data at the several ends.
Technicalities For data security Java Cryptography provides a suitable framework to implement several kinds of cryptography. However there are basically two types of cryptography. Once is Symmetric Cryptography and Asymmetric Cryptography. When both the ends communicate the secured data with a common key for encryption and decryption, it is called the Symmetric Cryptography. In this case a shared key is used by both the parties to encrypt and decrypt the data. However there is a problem relating to exchange of key for symmetric cryptography. To overcome this problem java provides another approach for the cryptography called Asymmetric Cryptography. In case of Asymmetric cryptography, there will be two keys unlike one key in case of symmetric cryptography. One key is called Private key and other is called Public key. These two keys are generated together and can be used for encryption and decryption. In this case the Public key is used by anyone who wishes to communicate securely with the owner of the Private key. The Private key is used by the main owner and the owner gives the Public key so that they can decrypt the data. In this article I will give you the example on Asymmetric cryptography. You can find more tutorials and concept on Sun’s JCE(Java Cryptography Extension). In my next article, I will provide you the example on Symmetric cryptography.
Complete Example
This example is only meant for learning and not for any specific use. You can take the piece of code to test in your system to learn the above concept.
The following class is used to create the Public key and Private key. This class contains generic methods to generate the Public and Private key. If you run the testharness class, you will find the two files called “Public.key” and “Private.key”. Please go through the java docs mentioned in the methods.
(April 6, 2009) Alan Cannistraro provides an overview of object oriented programming, the objective-C programming language, and common foundation classes. Stanford University: www.stanford.edu Stanford School of Engineering: soe.stanford.edu Stanford University Channel on YouTube
Business Intelligence (BI) refers to various skills, technologies and practices that are used to support business decision making, therefore also called as decision support system.
According to the leading research firm, Gartner that open-source BI tools production deployments will grow five-fold through 2012. The research firm also added that the open-source BI tool deployment is growing solidly.
According to various analysts, an effective and integrated BI solution can improve business performance by having better decision making across the company. At present, various large houses like Microsoft, Oracle (Hyperion), IBM (Cognos), and SAP (Business Objects) offer BI solutions to achieve the success and better Return on Investments (ROI).
Why Business intelligence Solutions required?
Business Intelligence helps its users in various tasks like -
To know your customers better
To look and evaluate the competition in the market
Help you to accommodate with your business partners better
Process information regarding economic efficiency and ROI
It also helps you in decision making for your internal operations.
Active Server Pages (ASP), also known as Classic ASP or ASP Classic, was Microsoft’s first server-side script engine for dynamically-generated web pages. Initially released as an add-on to Internet Information Services (IIS) via the Windows NT 4. 0 Option Pack, it was subsequently included as a free component of Windows Server (since the initial release of Windows 2000 Server). It has now been superseded by ASP. NET.
Developing functionality in ASP websites is enabled by the active scripting engine’s support of the Component Object Model (COM), with each object providing a related group of frequently-used functions and data attributes. In ASP 2. 0 there were six built-in objects: Application, ASPError, Request, Response, Server, and Session. Session, for example, is a cookie-based session object that maintains the state of variables from page to page. Functionality is further extended by objects which, when instantiated, provide access to the environment of the web server; as an example FileSystemObject (FSO) is used to create, read, update and delete files.
In order to evaluate and assess ASP. Net you have to first understand the acronym and then access the support provided. The full form of the acronym is Active Server Pages . Net. This dedicated Microsoft application has been developed to create web pages and wireless or internet enhanced Microsoft . Net web programming technologies. ASP. net is rife with efficiency and effectiveness and forms an integral part of the software giant’s . Net vision. It is in this capacity that the . Net framework becomes indispensible to web programmers and developers. The end result created is dynamic and sophisticated. Read more…
Remember this video has been uploaded in full HD, 1280X720 (720P)! If you have a good internet connection please view in HD for better viewing. In this lesson we will show you the some of the items needed in everyday PHP programming, variables and comments. A short overview about what is talked about in the video: -PHP comments. -PHP variables (Strings [text], Integers [numbers], and some variable rules). Thank you for watching. PS: You can now see this tutorial on the XCodec Official gallery, gallery.thexcodec.com
Verizon Wireless customers who have been holding out for an iPhone on their carrier’s network may finally get their wish early next year, according to Bloomberg News.
Cookies store data on the users computer ready for the server to read back from them. I show you how to set, show, check for and destroy cookies in this tutorial.
Video Tutorials For Internet Marketing Success, E.g. CPanel, Drupal, Wordpress, Gimp, Ppc, Adwords, Aweber, Video Marketing, Html, Kompozer HTML-Editor, List-Building, Roboform, Traffic Generation, Traffic-Monetization, Etc. Internet Marketing Video Tutorials.
Learn how to use a running total in Crystal Reports by Business Objects at www.teachUcomp.com. Get the complete tutorial at www.teachUcomp.com – the most comprehensive Crystal Reports tutorial available.
In this lesson, you will see what is required to make your ASP.NET applications available to everyone. This includes configuring, building, and deploying your web site. For Best View: watch the video in Full Screen Mode.
Product Description XML Schema is the new language standard from the W3C and the new foundation for defining data in Web-based systems. There is a wealth of information available about Schemas but very little understanding of how to use this highly formal specification for creating documents. Grasping the power of Schemas means going back to the basics of documents themselves, and the semantic rules, or grammars, that define them. Written for schema designers, system architects, programmers, and document authors, Modeling Business Objects with XML Schema guides you through understanding Schemas from the basic concepts, type systems, type derivation, inheritance, namespace handling, through advanced concepts in schema design.
*Reviews basic XML syntax and the Schema recommendation in detail. *Builds a knowledge base model step by step (about jazz music) that is used throughout the book. *Discusses Schema design in larg. . . More >>
Special Report: Can that guy in Ironman 2 whip IBM in real life?
In the movie “Ironman 2,” Larry Ellison makes a cameo appearance as a billionaire, playboy software magnate. It is a role he knows well. He is playing himself — chief executive of Oracle Corp, one of Silicon Valley’s most enduring, successful and flamboyant figures.
Product Description Designed for any Oracle professional who must quickly implement Oracle reporting, this indispensable guide offers new tips and tricks that make Oracle reporting simple. The basics of PL/SQL are introduced using multiple examples that include code snippets and sample code results. The example-driven methodology teaches PL/SQL language structures, anonymous blocks, and stored procedures so well that by the end of the first chapter users will be coding blocks confidently. Exercises are also provided intermittently to test knowledge comprehension.  While gradually building on previous concepts and increasing in complexity, this handbook always focuses on manageability. . . . More >>
Notes: Brand New from Publisher. No Remainder Mark.
Product Description This book will give you a thorough grounding in the principal and supporting tools and technologies that make up the Xcode Developer Tools suite. Apple has provided a comprehensive collection of developer tools, and this is the first book to examine the complete Apple programming environment for both Mac OS X and iPhone. Comprehensive coverage of all the Xcode developer tools Additional coverage of useful third-party development tools Not just a survey of features, but a serious examination of the complete development process for Mac OS X and iPhone applications What you’ll learn The book is holistic, providing a comprehensive sweep across the available development tools. The book is structured, taking a logical and progressive journey from the basics to a firm understanding of the purposes, benefits, and limitations of each component of Xcode’s developer tools. The tone is friendly and accessible—we wouldn’t. . . More >>
Learn how to animate an image by making it transform, scale, and rotate! Subscribe to get 1 tutorial each day about iPhone Programming! Twitter: twitter.com Website: www.pixelcubestudios.com Twitter twitter.com Facebook: www.facebook.com
Product Description This book covers everything you need to know to master Web application development in an Oracle environment – using PL/SQL. It is packed with practical tips that save the reader time, effort and frustration while developing and deploying Internet-ready, e-commerce applications using Oracle 9i. The book also provides important information on core topics such as HTML, Java, XML, WML, Perl and PHP, as well as covering various maintenance duties, such as troubleshooting, debugging, indexing, testing and site analysis. As Oracle’s premier tool for building store procedures, PL/SQL uniquely supplements the standard relational database language, SQL, with the features needed to build real-world applications. . . . More >>
Business Intelligence (BI) refers to various skills, technologies and practices that are used to support business decision making, therefore also called as decision support system.
