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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
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
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
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... mark for My Articles similar articles
JavaWorld
July 2001
Tarak Modi
Clean up your wire protocol with SOAP, Part 4 Here's a framework based on the dynamic proxy classes in the Java 2 Platform, Version 1.3. This framework will make creating SOAP clients just as easy and intuitive as creating SOAP services... 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
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
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. mark for My Articles similar articles
JavaWorld
September 2000
Tony Loton
The smart approach to distributed performance monitoring with Java Smart stubs provide a lightweight, noninvasive mechanism for distributed performance monitoring and performance improvement through local caching. Although present in many commercial CORBA object request brokers, smart stubs are not standard in RMI or Java IDL. Read on to find out what you've been missing. 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
October 3, 2003
Dawid Weiss
Discover new dimensions of scripted Java This article presents an extension to BeanShell that turns scripts into real Java classes that support inheritance, Java reflection, method overriding, and so on. The extension is designed to be fully transparent to the Java application using it. 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
April 2002
Jeff Friesen
Exceptions to the programming rules, Part 2 Learn about Java's exceptions class hierarchy, how to extend those classes, how to throw objects created from exception classes, how to catch thrown objects and handle the exceptions they represent, and how to clean your code... mark for My Articles similar articles
JavaWorld
August 2002
Tarak Modi
J2SE 1.4 breathes new life into the CORBA community, Part 1 The new CORBA features in J2SE (Java 2 Platform, Standard Edition) 1.4, and how you can use them to create highly scalable and robust applications. Includes a brief tutorial on creating a simple CORBA-based application using J2SE 1.4. mark for My Articles similar articles
JavaWorld
March 2002
Jeff Friesen
Exceptions to the programming rules, Part 1 Learn about exceptions and how to handle them in C, C++, and Java. Learning how to handle exceptions in various languages gives you an appreciation for why exception handling works the way it does in Java... 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
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
December 2000
Martijn Res
Reduce EJB network traffic with astral clones Because of the numerous remote set methods that have to be called when working with EJBs, even the simplest data-entry screens produce performance problems. Working with a client-side astral clone of a bean implementation provides an elegant and nearly transparent approach to resolve these problems... mark for My Articles similar articles
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... 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
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... mark for My Articles similar articles
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... 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
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
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
October 2001
Java 101 study hall Brush up on Java terms, learn tips and cautions, and enter the first Java 101 reader challenge 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
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
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... 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
February 2002
Jeff Friesen
Classes within classes As with fields and methods, Java allows classes to be members of other classes. This article explores Java's support for class nesting... mark for My Articles similar articles
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... mark for My Articles similar articles
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... 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 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
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. mark for My Articles similar articles
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... mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
November 2000
Geoff Friesen
Applications, applets, and hybrids This article establishes our bearings and sets sail to the land of applications, applets, and hybrids (an unusual category of Java programs)... 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
December 2000
Jeremy Roschelle
Untangle your servlet code with reflection You can enlist the Reflection API to unravel an all-too-common problem in servlet development: doGet() and doPost() methods that grow long, complex, and hard to extend and debug. The use of reflection described here is fairly lightweight... 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
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
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
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
October 2001
Tony Loton
JavaMail quick start This article shows the first steps on the road to building Java-based email applications. If you fancy building your own email client to replace Microsoft Outlook, or a Web-based email system to rival Hotmail, this is the place to start... mark for My Articles similar articles
JavaWorld
December 2000
Thomas E. Davis, Craig Walker
Take control of the servlet environment, Part 2 Implement a wrapper that gives you greater control over session management. Session state can be stored in the browser, in the server's memory, or in the database. You can have all three solutions at your fingertips, painlessly interchangeable... mark for My Articles similar articles
JavaWorld
August 2002
Letters to the Editor How do you handle an invalid service on the client side? Can TRMI (Transparent Remote Method Invocation) help with serializable objects? How does JAR work with third-party libraries? JavaWorld authors answer those questions and more. 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
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