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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#... 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 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
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
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
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
October 2002
Jeff Friesen
Java's character and assorted string classes support text-processing Text-processing is one of the more frequent activities in which computer programs engage. Java supports that activity via the Character, String, StringBuffer, and StringTokenizer classes. This article explores each class and introduces you to an assortment of those classes' methods. mark for My Articles similar articles
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... 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
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. 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
September 2000
Tom Yager
Microsoft's C# public beta hits a high note Java's success, and Sun's control of it, has prompted Microsoft to respond with its C# initiative. C# in many ways is a blend of the power of C++ and Java's built-in protections. Java developers will be well served to learn about C#'s pros and cons -- and how the initiative could affect Java's future. 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
August 1, 2003
Allen Holub
Why extends is evil Improve your code by replacing concrete base classes with interfaces 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
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
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
May 2002
Toby Reyelts
Integrate Java and C++ with Jace Jace -- a free, open source toolkit -- lets you easily write JNI (Java Native Interface) code. This article analyzes in detail the JNI API's problems and how Jace solves them... 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 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
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 2001
Erwin Vervaet
Java: It's a good thing In response to Simson Garfinkel's article 'Java: Slow, Ugly, and Irrelevant', the author takes a more realistic look at Java's situation. Indeed, Java is far from perfect. But when you take the time to look beyond the flames and the hype, what is left is an exciting and competitive language... 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
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
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
Military & Aerospace Electronics
March 2008
Nielsen & Plans
Java Computer Language Eyes Safety-Critical, Real-Time Applications A new drive in the Java community seeks to expand the language's applicability to safety-critical where failure puts lives at risk. mark for My Articles similar articles
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... mark for My Articles similar articles
JavaWorld
December 2000
Geoff Friesen
Non-object-oriented language basics, Part 1 This column separates Java's language features into two categories: non-object-oriented programming and object-oriented programming. This article explores comments, identifiers, data types, literals, and variables... 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
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. 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
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. 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 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
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
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... mark for My Articles similar articles
JavaWorld
March 2002
Matjaz B. Juric
Integrate EJBs with CORBA Interoperability between EJBs and CORBA is important for integrating Java- and non-Java-based applications. This article shows how to achieve integration between an EJB and a CORBA C++ application... mark for My Articles similar articles
JavaWorld
October 2001
Letters to the Editor A reader educates Jack Harich on the definition of myth... Gorsen Huang discusses the overhead of using the Reflection API with EJB... Tony Sintes and a reader ponder why Sun omitted parseDouble() prior to Java 1.2... Jeff Friesen offers a worldwide list of time zones... mark for My Articles similar articles
JavaWorld
February 2001
Oliver Enseling
iContract: Design by Contract in Java The Design by Contract technique stresses the importance of explicitly specifying the constraints that hold before and after a software component executes. The iContract Java language extension implements Design by Contract for Java. mark for My Articles similar articles
JavaWorld
January 2002
Ken Gottry
Pick up performance with generational garbage collection This article explains how the HotSpot JVM uses system resources to provide significant throughput improvement with no code modifications... 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
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
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. 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
InternetNews
January 9, 2008
Andy Patrizio
SpringSource's Update to .NET Adds Key Java Features SpringSource's Spring.Net provides programmers with features previously only available to Java developers. 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
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... 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
April 2002
Jacek Kruszelnicki
Persist data with Java Data Objects, Part 2 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 the way we deal with persistent data. This article presents two major JDO specifications... mark for My Articles similar articles
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. mark for My Articles similar articles