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JavaWorld
March 2003
Amit Goel & David Marshall
Manage users with JMS This article describes a simple solution to the common problem of maintaining consistent user information across various business applications. mark for My Articles similar articles
JavaWorld
March 2002
James Carman
Write once, persist anywhere Most J2EE applications strive to abstract the database tier by employing the Data Access Object design pattern. This article shows you a DAO pattern framework that you can reuse on all your projects, regardless of object type... mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
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... mark for My Articles similar articles
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. mark for My Articles similar articles
New Architect
January 2003
Paul Sholtz
Instant Update Making your data and spreadsheets Web viewable through MVC: The Model-View-Controller (MVC) pattern is an established and well-understood software design method. mark for My Articles similar articles
JavaWorld
March 2002
Nicholas Whitehead
Listen to heartbeats using JMS With heartbeats, a critical system broadcasts a signal that lets other systems know it is still working. You can apply the same concept between distributed Java components using Java Message Service. This article shows you how and introduces an extensible framework for implementation... mark for My Articles similar articles
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. mark for My Articles similar articles
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. mark for My Articles similar articles
JavaWorld
November 2000
M. Jeff Wilson
Get smart with proxies and RMI RMI enables developers to either get a remote reference to a distributed object, in which all method calls are forwarded to the server object, or get a copy of the remote object and invoke on it locally. You can combine these approaches in a way that is transparent to the client code... mark for My Articles similar articles
JavaWorld
September 2002
Tarak Modi
J2SE 1.4 breathes new life into the CORBA community, Part 2 The Portable Object Adapter (POA), introduced in CORBA 2.2, replaced CORBA's Basic Object Adapter (BOA). An object adapter represents a core piece of the CORBA runtime on the server. This article explore J2SE 1.4's POA support. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
April 2001
Kelly Davis & Robert Di Marco
Manage distributed sessions Using RMI and the Proxy API introduced in JDK 1.3, this article describes a technique that allows one or more servlet servers to maintain session information on one or more session servers. By adopting this architecture, no single point of failure will exist for session management... mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
October 2000
Frank Sommers
Activatable Jini services, Part 2: Patterns of use This article concentrates on the consequences of activation in the Jini context. Sommers exponds on the issue of deactivating objects, then considers the implications of deactivation for well-designed Jini services and how the Jini helper services introduced in the 1.1 beta version of the JSK can contribute... mark for My Articles similar articles
JavaWorld
March 2003
David Geary
An inside view of Observer The Observer pattern lets you build extensible software with pluggable objects by allowing communication between loosely coupled objects. The author explores the Observer pattern, how it's used throughout the Java 2 SDK, and how you can implement the pattern in your own code. mark for My Articles similar articles
JavaWorld
January 2002
Jeff Friesen
Trash talk, Part 2 This article explores the Reference Objects API, an API that allows your programs to interact with the garbage collector in limited ways... mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
August 2001
Michael L. Perry
Automate dependency tracking, Part 1 Interactive applications are typically subdivided into information model and user interface subsystems. Automatic dependency tracking can discover dependencies within the system and keep the user interface current... mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
January 2001
Jean-Pierre Dube
Printing in Java, Part 3 Part 3 of our series on Java printing introduces you to the print framework. Working on top of the Java Print API, the framework will make printing pages much easier by providing such features as a print-preview facility, a portable page-setup dialog, and graphics primitives... mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
October 2002
Abulsorour & Visveswaran
Business process automation made easy with Java, Part 2 Design options for rule engine integration, data synchronization considerations, workflow engine integration, and some best-practice quality-of-service considerations. Also, emerging data interchange standards that enable a more flexible solution mark for My Articles similar articles
JavaWorld
October 2002
Tarak Modi
J2SE 1.4 breathes new life into the CORBA community, Part 3 This hands-on article shows you how to use the Portable Object Adapter to create enterprise-level applications. mark for My Articles similar articles
JavaWorld
December 2001
Jeff Friesen
Trash talk, Part 1 One feature that distinguishes Java from other computer languages is its garbage collection abilities. In this article, This article introduces garbage collection and shows how Java's optional support for it affects your programs... mark for My Articles similar articles
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... mark for My Articles similar articles
D-Lib
June 2001
John S. Erickson
A Digital Object Approach to Interoperable Rights Management Fine-grained policy enforcement enabled by a digital object infrastructure... mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
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. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
July 2000
Bill Venners
Objects versus documents for server-client interaction, Part 2 In this three-part series, Bill Venners compares the traditional approach to defining client/server interaction, using protocols and documents, with Jini's strategy of using objects and interfaces. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
June 2001
Jeff Friesen
Object-oriented language basics, Part 3 The author explores composition and demonstrates its value in object-oriented programming. Composition and inheritance are design consepts related in a manner similar to both sides of the same coin... mark for My Articles similar articles
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. mark for My Articles similar articles
JavaWorld
November 2000
Jeremy Blosser
Explore the Dynamic Proxy API In Java 1.3, Sun introduced the Dynamic Proxy API, which can basically mimic any interface. Add that to an abstract data model, and you can conform any loosely typed data to a strongly typed interface. This article discusses some of the Dynamic Proxy API's many benefits... mark for My Articles similar articles
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. mark for My Articles similar articles
JavaWorld
September 5, 2003
Allen Holub
Why getter and setter methods are evil The getter/setter idiom is a commonplace feature of many Java programs. The use of accessors violates the basic object-oriented principle of encapsulation, so you should avoid using them. This article discusses getter/setter cons and offers an alternative design methodology. mark for My Articles similar articles
D-Lib
April 2003
Staples et al.
The Fedora Project An Open-source Digital Object Repository Management System mark for My Articles similar articles
JavaWorld
March 2001
Jean-Pierre Dube
Printing in Java, Part 5 This article concludes the design of the print framework, covering graphic primitives, the print-preview feature, and handling text... mark for My Articles similar articles
JavaWorld
March 2001
Jeffrey Peden
Browse user interfaces for Jini services The ServiceUI specification developed by the Jini.org community defines a suggested procedure for attaching user interfaces to Jini services... mark for My Articles similar articles
JavaWorld
January 2001
Wm. Paul Rogers
Thanks type and gentle class Confusing the concepts of object and class deserves an askance look. Failing to distinguish between type and class, however, typically goes unnoticed. Yet the battle to separate implementation and interface concerns requires type-oriented thinking... mark for My Articles similar articles
JavaWorld
October 2000
Bruce Eckel
Everything is an object, Part 2 Eckel takes you through name visibility and using components from other libraries; the static keyword; and comments and embedded documentation. By the end, you should be able to build your first Java program... mark for My Articles similar articles
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. mark for My Articles similar articles
JavaWorld
February 2002
Anders Eliasson
Implement Design by Contract for Java using dynamic proxies The Design by Contract (DBC) theory can dramatically raise software quality and reusability levels by forcing you to think in terms of contracts. Contracts formally specify the responsibility relationship between a client (class user) and a supplier (class). Additionally, DBC clearly separates specification (what) from implementation (how). This article explains DBC's importance in object-oriented development and describes a DBCProxy framework that achieves DBC transparently in Java using dynamic proxy classes. mark for My Articles similar articles
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... mark for My Articles similar articles
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. mark for My Articles similar articles