Plenty of quick tips on the horizon As a Java technology evangelist for Sun Microsystems, I travel around the world disseminating technical information regarding the Java 2 Platform to developers, members of the press, and analysts who don’t necessarily have…
Where to focus your efforts Java’s architecture comprises four distinct and interrelated technologies: language, classfile format, Java API libraries, and Java Virtual Machine (JVM). When executing a Java application, the source code is written in the Java language, which is…
Discover how pushlets, a servlet-based notification mechanism, enables server-side Java objects to call back JavaScript code within a client browser. These days, developers increasingly turn to servlets and JavaServer Pages (JSPs) as Web-based frontends that integrate backend databases, Enterprise JavaBeans,…
Use JNDI to store your distributed applications’ objects I need to cover a lot of ground this month, so I’ll leave out the fluff and cut right to the bullet points. First, the Java Naming and Directory Interface plays an…
Use the Memento design pattern with JavaServer Pages and JavaBeans Typically, form processing involves multiple components operating in the background, with each component responsible for a discrete task such as state management, data validation, database access, and so on. While…
A reflective approach to initializing your server-side system Your Java server is almost complete: you’ve tested the code thoroughly, and everything seems to be running smoothly. It’s time to wrap up your project and take care of the small details…
Coordinate your Jini applications with JavaSpaces The first article in this JavaSpaces thread presented an overview of the JavaSpaces programming model and its simple API. You’ll recall that the model is based on spaces — shared, network-accessible object storage and…
The RPN-calculator application demonstrates object-oriented UI principles This month we continue the process begun in the January Java Toolbox by completing the RPN (Reverse Polish Notation) calculator application. The RPN calculator is a small but nontrivial application that demonstrates some…
The Java 1.2 delegation model simplifies class-loading design and implementation Developers have two well-known reasons for building custom ClassLoaders: providing support for a new class repository and partitioning user code in a server. The applet ClassLoader is an example of…
Servertec serves up iServer Servertec has released iServer, a small, scalable, and easy-to-administer platform-independent application written entirely in Java. iServer can be used as a Web server for static Web pages; it can also become an application server for generating…