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JavaWorld
July 18, 2003
James Carman |
Get down to business In this article, you will learn how to structure your applications such that modifications to the business object implementation do not require changes to the user interface using a simple framework for accessing your business objects.   |
JavaWorld
March 2002 |
Letters to the Editor JavaWorld readers warn about synchronization; present a Servlet 2.2-compliant solution for mixing protocols in Web apps; suggest using the Data Object Access design pattern with the Value Object design pattern... etc. |
JavaWorld
March 2002
Jacek Kruszelnicki |
Persist data with Java Data Objects, Part 1 The Java Data Objects (JDO) standard provides a unified, simple, and transparent persistence interface between Java application objects and data stores, and can significantly affect how we deal with persistent data... |
JavaWorld
September 2001
Kevin Pauli |
Pattern your way to automated regression testing In complex systems, the results of one unit test can alter the expected results of another. By applying well-established design patterns to your architecture, you can seamlessly unit test code that accesses databases... |
JavaWorld
April 2001
Piet Jonas |
Secure type-safe collections A framework that overcomes the standard Java Collections Framework's main problem: its containers lack the ability to restrict themselves to storing objects of a specific type. The solution uses reflection, wrapper classes, and a collection of static factory methods... |
JavaWorld
May 2002
Ryan Daigle |
Eliminate JDBC overhead Most J2EE and other types of Java applications interact in some way with information persisted in a database. Interfacing with that database involves several iterations of SQL statements, connection management, transaction lifecycles, result processing, and exception handling. The many parts of this ritualistic dance are common in all contexts; however, this replication doesn't have to exist. This article outlines a flexible framework that remedies the repetition of interacting with a JDBC-compliant database. |
JavaWorld
January 2002
Bob Byron & Troy Thompson |
Overpower the PreparedStatement Many Java programs' success depends on an optimized method of accessing a JDBC database known as a PreparedStatement. Debugging such statements can prove troublesome because you cannot retrieve a PreparedStatement's command or any of its associated parameters... |
JavaWorld
November 2000
Abhilash Koneri |
Eliminate tedious programming: Recover data with XML and Reflection The parsing of ResultSets forms one of the most significant tasks involved in retrieving data from a database. But, as a repetitious and uninteresting assignment, it is not a favorite among developers. How to supplant ResultSet parsing in the data access objects... |
JavaWorld
June 2002
Dirk Laessig |
Score big with JSR 77, the J2EE Management Specification The specification's core is based on the model of managed objects, explained in this article. JSR 77 also defines an Enterprise JavaBeans (EJB) component for easily accessing these managed objects. |
JavaWorld
May 2001
Markus Dorn |
Reading objects is easy with SAX By following some simple rules when mapping objects to XML, you can easily read object structures, even complex ones, from XML. See how you can use SAX to eliminate that complexity... |
JavaWorld
June 2000
Richard Monson-Haefel |
Read all about EJB 2.0 More than a new point release, the new EJB 2.0 specification embodies dramatic changes, including those found in the CMP component model and a new bean type, that enhance the flexibility and portability in your application development. |
JavaWorld
November 2001
Kurt Jacobs |
Subscribe now for rapid prototyping Developers often find themselves reengineering an API to meet the demand of evolving requirements. By providing a framework for a more flexible system, the Publisher-Subscriber pattern can help you overcome some problems associated with object dependencies... |
JavaWorld
February 2002
Dirk Reinshagen |
Connect the enterprise with the JCA, Part 2 This article demonstrates a simple JCA (J2EE Connector Architecture) adapter implementation. After you read this article, you'll possess a good understanding of how to build your own JCA adapter... |
JavaWorld
February 2002
Thierry Janaudy |
Accelerate EJB 2.0 development with EJBGen EJBGen is a free command-line tool that limits your code editing to just one file, the bean class. Step-by-step, this article shows you how to use EJBGen to speed your Enterprise JavaBeans (EJB) 2.0 development, especially for entity bean container-managed persistence... |
JavaWorld
September 2000
Sandip H. Mandera |
Brewing entity Enterprise JavaBeans The Enterprise JavaBeans (EJB) specification provides two flavors of beans: session beans and entity beans. After Sun Microsystems's release of EJB Specification 1.1, support for entity beans became mandatory. This article will introduce component developers to entity beans and show how to channel the beans' power. |
JavaWorld
December 2000
Victor Okunev |
Validation with pure Java The importance of employing a good data-validation framework cannot be overestimated. The core Java API has everything you need to solve this problem in the most elegant way. |
JavaWorld
January 2002
Jason Cai |
Combine the Session Facade pattern with XML This article explores the benefits and advantages of using the Session Facade pattern. The author discusses when to use the pattern with value objects, and when to use it with XML. He also provides a detailed implementation of the Session Facade pattern integrated with XML... |
JavaWorld
August 2002
Guy Gur-Ari |
Empower RMI with TRMI Transparent Remote Method Invocation (TRMI) extends RMI to simplify the creation of distributed applications by allowing centralized RemoteException handling and by allowing any interface to be used remotely. This article tours TRMI's inner workings. |
JavaWorld
August 2001
Jeff Friesen |
Object-oriented language basics, Part 5 Every Java class has a superclass. In the absence of an extends keyword, Object is that superclass. Object takes center stage as this article presents its 11 methods... |
JavaWorld
June 13, 2003
Camerlengo & Johnson |
Make the Java-Oracle9i connection This article provides Java programmers with techniques for utilizing Oracle9i's new object-oriented features such as inheritance, custom constructors, dynamic dispatch, array descriptors, and mapping strategies from a Java class hierarchy to an Oracle type hierarchy without using traditional object-relational (O/R) mapping strategies. |
JavaWorld
July 2000
Todd M. Greanier |
Flatten your objects The Java Serialization API is used by many other Java APIs (like RMI and JavaBeans) to persist objects beyond the duration of a running virtual machine. This article tries to demystify the secrets of the Java Serialization API. |
JavaWorld
April 2002
Snehal Patel |
Navigate data with the Mapper framework Whether you must read records from a text file and write to a database table, or read from an enterprise information architecture and write to a Web service, information exchange becomes effortless using this simple design pattern... |
JavaWorld
March 2001
Brian Goetz |
Design for performance, Part 3: Remote interfaces Many common Java performance problems stem from class design decisions made early in the design process, long before most developers even start thinking about performance. This article examines performance issues specific to remote applications... |
JavaWorld
October 2001
Jeff Friesen |
Object-oriented language basics, Part 7 This final installment of Java 101's object-oriented programming series explores Java's support for polymorphism and investigates how abstract classes accommodate generalities in class hierarchies. |
JavaWorld
December 2000
Todd Sundsted |
Secure thread collaboration across protection domains When threads collaborate across protection domains, they introduce interesting wrinkles into the science of building secure applications. This month, we present these scenarios and shows how to use the AccessControlContext and GuardedObject classes to build solid solutions... |
JavaWorld
November 2001
Jeff Friesen |
Class and object initialization An exploration of class and object initialization, which introduces the strange concepts of the <clinit> and <init> methods... |
JavaWorld
October 2000
Siva Visveswaran |
Dive into connection pooling with J2EE Connection pooling is a technique used for sharing server resources among requesting clients. This article focuses on support for connection pooling of both database resources and nondatabase resources in a J2EE environment... |
JavaWorld
September 2001
Jian Zhong |
Step into the J2EE architecture and process By reading this article, you will better understand many important J2EE architecture topics, and be able to apply that knowledge to extend and modify this simple methodology to solve your special business problems... |
D-Lib
Jan/Feb 2010
Reilly & Tupelo-Schneck |
Digital Object Repository Server: A Component of the Digital Object Architecture This paper introduces the Digital Object Repository Server, the most recent instantiation of the Corporation for National Research Initiatives' repository work. |
JavaWorld
November 14, 2003
Allen Holub |
Create client-side user interfaces in HTML, Part 2 This "Create Client-Side User Interfaces in HTML" series continues by examining the HTMLPane sources. Part 2 offers examples of how to customize the JEditorPane to support custom tags and also provides an extended description of the Factory Method design pattern. |
JavaWorld
January 2, 2004
Allen Holub |
More on getters and setters This article provides one of several possible programmatic solutions to the get/set-elimination problem. In particular, it demonstrates how to construct both Web-based and client-side user interfaces without exposing your object's implementation to the entire program. |
JavaWorld
September 2000
Frank Sommers |
Activatable Jini services, Part 1: Implement RMI activation Jini services must be long-lived and resilient, and must efficiently manage their computational resources with little user intervention. This article shows how to use RMI activation to manage computational resources and increase the availability of Jini services... |
JavaWorld
December 2001 |
Letters to the Editor In this month's letters, David Geary expounds further on the Decorator pattern, Humphrey Sheil defends EJB performance, and Jeff Friesen talks more trash... |
JavaWorld
June 2000 |
Letters to the Editor (June 23, 2000) Jason Hunter addresses a gripe with calling instanceof when using JDOM; Mark Johnson responds to feedback on his XML series; reader challenges Tony Sintes about whether it truly is impossible to write a swap method... |
JavaWorld
July 2000
Patrick Sean Neville |
Crafting Metadata Like a classic plot retold in a new setting, software applications have extended lifetimes when decoupled from their contextual details. This article exposes how traditional configuration files, XML-based properties, and cryptography help keep such details out of code. |
JavaWorld
October 2002
Jeff Friesen |
Java's character and assorted string classes support text-processing Text-processing is one of the more frequent activities in which computer programs engage. Java supports that activity via the Character, String, StringBuffer, and StringTokenizer classes. This article explores each class and introduces you to an assortment of those classes' methods. |
JavaWorld
January 2001
Brian Goetz |
Design for performance, Part 1: Interfaces matter Many common Java performance problems stem from class-design decisions made early in the design process, long before most developers even start thinking about performance... |
JavaWorld
September 2001
Jeff Friesen |
Object-oriented language basics, Part 6 Learn why Java's standard class library contains empty interfaces (such as Cloneable and Serializable). Also, examine the power of interfaces and learn why they provide more than a workaround for Java's lack of multiple implementation inheritance support... |
JavaWorld
February 2001
Brian Goetz |
Design for performance, Part 2: Reduce object creation Many common Java performance problems stem from class design decisions made early in the design process, long before most developers even start thinking about performance. The author discusses some techniques for reducing temporary object creation... |
JavaWorld
September 2000
Bruce Eckel |
Everything is an object, Part 1 This two-part article, excerpted from Chapter 2 in Thinking in Java 2nd. ed., moves you to the point where you can write your first Java program. Bruce Eckel gives an overview of the essentials... |
JavaWorld
May 2000
Michael T. Nygard & Tracie Karsjens |
Test infect your Enterprise JavaBeans Software can never be tested sufficiently, and testing usually starts too late, particularly for J2EE applications. This article presents unit testing techniques and how to apply unit testing to Enterprise JavaBeans (EJBs). |
JavaWorld
August 2001
Bill W. Davis |
Dynamically extend Java applications Do you want to write programs that can be extended without source code changes? The techniques described in this article show you how to use interfaces and dynamic class loading to create highly extensible systems... |
JavaWorld
October 2001 |
Java 101 study hall Brush up on Java terms, learn tips and cautions, and enter the first Java 101 reader challenge |
JavaWorld
June 2000
Paul Corazza |
Using the if-then-else framework, Part 3 In this final part of a three-part series, Paul Corazza analyzes the if-then-else framework's performance and shows you how to optimize algorithms and implementation choices and minimize the risks involved in using the framework in larger-scale projects. The final product is a sleek, industry-ready upgrade of the prototype presented in previous articles, complete with new user options, a performance test harness, and automated safety features capable of handling thousands of conditions and rules. |
JavaWorld
February 2002
David Geary |
Take control with the Proxy design pattern The Proxy design pattern in Java lets you substitute a proxy for an object. In that capacity, proxies prove useful in many situations, ranging from Web services to Swing icons... |
D-Lib
Jul/Aug 2000
Thornton Staples & Ross Wayland |
Virginia Dons FEDORA: A Prototype for a Digital Object Repository After shopping for a digital library system unsuccessfully, in 1999 we created a digital library research and development group and set about creating the system that we need. |
JavaWorld
April 2001
Geoff Friesen |
Object-oriented language basics, Part 1 An introduction to object-oriented programming and how to declare classes and create objects from those classes... |
D-Lib
May/Jun 2007
Saidis & Delis |
Type-consistent Digital Objects This article provides an overview of the Digital Object Prototype framework and highlights its type-conformance capabilities and shows how heterogeneous digital material can be treated in a uniform manner without resorting to custom developments. |
JavaWorld
September 2001
Ashok Mathew & Mark Roulo |
Accelerate your RMI programming Beginning with JDK 1.1, serialization and Remote Method Invocation (RMI) were added to the Java platform. RMI usually runs slower than equivalent CORBA or remote procedure call (RPC) solutions. Fortunately, RMI was designed so that you could apply hand optimizations... |
JavaWorld
October 3, 2003
Allen Holub |
Create client-side user interfaces in HTML This article presents a variant on Swing's JEditorPane that makes it possible to specify an entire screen of your client-side user interface (UI) in HTML. |
