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JavaWorld February 2003 Jeff Friesen |
Regular expressions simplify pattern-matching code To help you write simpler pattern-matching code, Java provides regular expressions. After introducing you to terminology and the java.util.regex package, the author explores many regular expression constructs supported by that package's Pattern class.  |
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 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...  |
JavaWorld May 2, 2003 Jeff Friesen |
Datastructures and algorithms, Part 1 After presenting basic datastructure and algorithm concepts, this article focuses on the array datastructure and associated algorithms. The article concludes with the assertion that Java's arrays are objects.  |
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 Jeff Friesen |
Datastructures and algorithms, Part 2 This article concludes a two-part series that explores two important computer science topics: datastructures and algorithms.  |
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...  |
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...  |
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)...  |
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 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 March 2001 Geoff Friesen |
The ins and outs of standard input/output The author focuses on standard I/O. The mechanism uses devices for inputting and outputting data and still plays a role in modern GUI (graphical user interface) operating systems...  |
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 December 2000 Robert Nielsen |
Calculating Java dates Whether you are dealing with financial transactions or planning future activities, you need to know how to create, use, and display dates in a Java program. That requires more than simply looking up the appropriate class in the API reference: just one date can easily involve creating objects in three date-related classes. This tutorial shows what you need to know.  |
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 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 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 December 2000 Michael C. Daconta |
When Runtime.exec() won't This installment of Java Traps discusses one new pitfall and revisits another from the previous column. Originating in the java.lang package, the pitfall specifically involves problems with the Runtime.exec() method.  |
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 September 2002 Jeff Friesen |
Packages organize classes and interfaces Professional Java developers organize frequently used classes and interfaces in class libraries for later reuse. Learn what constitutes a package, how to create a package of classes and interfaces, how to import packaged classes and interfaces into a program, and more.  |
JavaWorld July 2000 Jacob Weintraub |
Learn how to store data in objects In this second installment of Java 101, Jacob Weintraub delves into storing data in Java and the various ways you can use that data. Specifically, he examines how objects store data and how you can pass data to objects in method calls...  |
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 August 2002 Greg Holling |
Put Java in the fast lane This article presents some techniques for locating performance bottlenecks in Java applications and offers suggestions for improving Java performance. Along the way, you'll look at some of the classes in the new java.nio package.  |
JavaWorld February 2001 Geoff Friesen |
Non-object-oriented language basics, Part 3 This exploration of Java's non-object-oriented language entities wraps up with a tour of statements. It provides an in-depth discussion on those source code constructs and demonstrates their proper use through a large example program...  |
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 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 November 2001 Michael C. Daconta |
Practice makes perfect One pitfall stumbled on while porting an Extensible User Interface Language (XUL) game to Java and two pitfalls sent in by readers...  |
JavaWorld March 2001 Robert Nielsen |
Working in Java time If you know how to work with dates in Java, it is relatively easy to learn to work with time. This tutorial shows you how to bridge that learning gap...  |
JavaWorld September 2000 Michael C. Daconta |
Steer clear of Java pitfalls Avoiding Java programming problems can save you considerable time and frustration when developing programs. This month, Michael Daconta presents two API pitfalls and a long-standing bug.  |
JavaWorld December 2002 Alex Blewitt |
Sort it out A common requirement for applications that display lists or tables of data is the ability for users to sort those results. In this article, Alex Blewitt shows how to sort data in Java using the Comparable and Comparator interfaces, and how a generic bean-sorting utility sorts JavaBeans displayed in a graphical user interface.  |
Linux Journal June 1, 2007 Ariel Ortiz |
An Introduction to Metaprogramming How to write programs that write programs. Metaprogramming at first may seem to be an advanced topic, suitable only for programming language gurus, but it's not really that difficult once you know how to use the adequate tools.  |
JavaWorld December 2000 Mark Johnson |
C#: A language alternative or just J--?, Part 2 Despite their enormous similarities, Java and C# differ greatly in many language details and also in their basic technical intent. This second article of a two-part series covers C# language constructs and concludes with some speculation on the idea of standardizing C#...  |
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 October 2002 |
Letters to the Editor Is JAAS responsible for retaining user data? Do the JVM and compiler share literal pool responsibilities? Is there a tool that performs manifest version incrementing? JavaWorld authors answer those questions and more in this month's Letters to the Editor.  |
JavaWorld August 2002 Michael Juntao Yuan |
Access Web services from wireless devices The Simple Object Access Protocol (SOAP) has become the most important data exchange protocol for XML Web services. All Web services applications must support SOAP. This article introduces an essential tool to support Web services on small wireless devices -- the kSOAP parser.  |
JavaWorld July 25, 2003 David Geary |
Make your apps fly Allocating numerous objects can degrade your application's performance. This article shows how to implement the Flyweight design pattern to greatly reduce the number of objects your application creates, which decreases your app's memory footprint and increases performance.  |
JavaWorld February 2001 Robert Nielsen |
Learn Java from Ben Franklin While Benjamin Franklin never wrote a line of Java code, his techniques for better writing can be applied to writing Java. Anyone with at least a basic grasp of Java can use Franklin's learning methods...  |
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...  |
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 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.  |
JavaWorld July 2001 Michael Cymerman |
Device programming with MIDP, Part 3 This article explores the methods of communication between the MIDlet and the world at large. Using the APIs contained in Java 2, Micro Edition's Mobile Information Device Profile (MIDP), developers can interact with external systems...  |
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...  |
Linux Journal February 1, 2007 Ben Martin |
Simple Access Berkeley DB Using STLdb4 STLdb4 makes C++ programming with the Berkeley DB simpler and more effective.  |
JavaWorld April 25, 2003 Anthony Karre |
A do-it-yourself framework for grid computing Large-scale grid computing frameworks can be successfully used to build computational grid infrastructures, but their sophistication can also be a barrier for software designers experimenting with entry-level grid computing.  |
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 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 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 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 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...  |
JavaWorld December 2000 Tony Loton |
Make an EJB from any Java class with Java Reflection Creating EJB versions of your classes and converting the applications that use them can be time-consuming -- unless you automate the process. Read on to find out how you can automate the routine aspects of EJB development by using Java Reflection...  |