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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
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... |
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... |
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. |
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
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. |
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
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
December 19, 2003
Frank Sommers |
Call on extensible RMI Remote Method Invocation (RMI) has become a standard communication mechanism between remote Java objects. The latest RMI framework, Jini Extensible Remote Invocation features a powerful, highly configurable RMI security mechanism. |
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
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
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... |
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
August 2002
Jeff Friesen |
Achieve strong performance with threads, Part 4 The author completes his exploration of threads by focusing on thread groups, volatility, thread-local variables, timers, and the ThreadDeath class. |
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... |
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
December 2000
Frank Sommers |
Sun lets Jini Starter Kit 1.1 out of the bottle In this interview, Jini architect and Sun Microsystems Distinguished Engineer Jim Waldo discusses the Jini 1.1 release and Jini's role in enterprise systems, offers advice on introducing business-specific APIs into Jini, and gives insight into scaling Jini... |
JavaWorld
April 2002
Ramnivas Laddad |
I want my AOP!, Part 3 How to use AOP and AspectJ to solve real-world problems by modularizing crosscutting concerns... |
JavaWorld
October 2001
Frank Sommers |
Survival of the fittest Jini services, Part 3 This article explains the default transaction semantics based on the two-phase locking (2PL) protocol, and offers guidelines for its implementation in services based on activatable RMI objects... |
JavaWorld
January 2001
Gregg Sporar |
Retrofit existing applications with RMI Partitioning an existing application so it is distributed across multiple CPUs is easy using Java's Remote Method Invocation (RMI). However, RMI must be carefully introduced into existing source code... |
JavaWorld
June 2000
Bill Venners |
An interview with James Gosling A conversation with James Gosling, the inventor of Java and a vice president and fellow at Sun Microsystems... |
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... |
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
November 2001
Bishop & Warren |
Jini-like discovery for RMI Not yet on the Jini bandwagon? Despite its powerful mechanisms, Jini has yet to be accepted in mainstream Java development. Until that happens, developers need to find better Remote Method Invocation (RMI) solutions. This article walks you through a Jini-like discovery mechanism for your RMI development. |
JavaWorld
June 2002
Jeff Friesen |
Achieve strong performance with threads, Part 2 Developers sometimes create multithreaded programs that produce erroneous values or exhibit other strange behaviors. Odd behavior typically arises when a multithreaded program does not use synchronization to serialize thread access to critical code sections. What does it mean to serialize thread access to critical code sections? This article explains Java's synchronization mechanism, and two problems that arise when developers fail to use that mechanism correctly. |
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
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... |
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
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... |
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
January 2001
Frank Sommers |
Object mobility in the Jini environment This article provides background to the use of mobile objects in Jini and describes the Java class loading and object serialization architectures that make mobile code possible. It offers a tutorial on setting up Jini services so that you can make your code available for download by clients... |
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... |
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
July 2002
Jeff Friesen |
Achieve strong performance with threads, Part 3 How priority relates to thread scheduling, how to use the wait/notify mechanism to coordinate the activities of multiple threads, and how to use Java's thread interruption capability to terminate a running thread. |
JavaWorld
December 2001
Bill Pierce |
Diagnose common runtime problems with hprof Ever been a few days from releasing an application when testing reveals a memory leak or something causing the CPU to spin out of control? Few people realize that the Java 2 JDK provides a useful profiling tool called hprof, which you can use to diagnose these behaviors with minimal fuss... |
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
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
July 2000
Sastry K. Malladi |
Oracle8i's ORB does the trick An in-depth overview of developing scalable and secure server-side Java CORBA applications using Oracle8i JVM and ORB. Also, session-based IIOP is introduced. |
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... |
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. |
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
May 9, 2003
Frank Sommers |
Jini Starter Kit 2.0 tightens Jini's security framework Security for distributed systems based on mobile Java code is the theme of Sun Microsystems' new Jini Starter Kit, JSK 2.0. This article introduces JSK 2.0's security-related features. |
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
April 2001
Nate Sammons |
Robust event logging with Syslog Because event logging is often an afterthought, Java developers often ignore this task while programming. However, logging allows developers to instrument their code so the operations staff can deal with any problems that arise... |
JavaWorld
June 2002
Jason Byassee |
Unleash mobile agents using Jini Mobile agents are powerful, versatile, and -- possibly most important -- fun to work with. Java's Jini framework facilitates mobile agent application development, providing key features for distributed network programming. |
JavaWorld
November 2000
Brian Goetz |
Tweak your IO performance for faster runtime Although poor performance claims have plagued Java for some time, Java programs can run just as quickly as programs written in C and C++ if developers pay attention to performance issues throughout the development cycle, especially in IO... |
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
October 2001 |
Java 101 study hall Brush up on Java terms, learn tips and cautions, and enter the first Java 101 reader challenge |
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. |
JavaWorld
May 2001
Jeff Friesen |
Object-oriented language basics, Part 2 In this article, you'll gain an understanding about fields, parameters, and local variables and learn to declare and access fields and methods... |
