Objects to components with the Java platform by Art Gittleman

Cover of: Objects to components with the Java platform | Art Gittleman

Published by Scott/Jones Pub. Co. in El Granada, Calif .

Written in English

Read online

Subjects:

  • Java (Computer program language),
  • Object-oriented programming (Computer science)

Edition Notes

Includes index.

Book details

StatementArt Gittleman.
Classifications
LC ClassificationsQA76.73.J38 G583 2000
The Physical Object
Paginationxv, 589 p. :
Number of Pages589
ID Numbers
Open LibraryOL6899685M
ISBN 101576760359
LC Control Number00709353
OCLC/WorldCa43734006

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As the nature of computing is changing, Objects to Components with the Java Platform seeks to provide readers with the necessary tools in order to keep pace with the remarkable growth of the Java program.

Intended for those who have had prior programming experience, the text encourages the transition from beginner to master as it introduces Cited by: 1. Java(TM) is an object-oriented language, but it is also a component-oriented platform.

Java's class-loading model and rich type information makes it possible to build flexible and reusable binary components. COMPONENT DEVELOPMENT FOR THE JAVA(TM) PLATFORM reveals both the potential and pitfalls of developing components using the Java by: A component is the fundamental user interface object in Java.

Everything you see on the display in a Java application is a component. This includes things like windows, panels, buttons, checkboxes, scrollbars, lists, menus, and text fields.

To be used, a component usually must be placed in a container. The Java virtual machine is an abstract computing machine that has an instruction set and manipulates memory at run time. The Java virtual machine is ported to different platforms to provide hardware- and operating system-independence.

The Java Platform, Standard Edition provides two implementations of the Java virtual machine (VM). A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user. Examples of components are the buttons, checkboxes, and scrollbars of a typical graphical user interface.

The Component class is the abstract superclass of the nonmenu-related Abstract Window Toolkit components. Class Component can also be extended directly to. Description.

For courses in Java programming Unparalleled breadth and depth of object-oriented programming concepts. The Deitels’ groundbreaking How to Program series offers unparalleled breadth and depth of programming fundamentals, object-oriented programming concepts and intermediate-level topics for further How to Program, Late Objects, 11th Edition, presents leading-edge.

The Java platform has two components: The Java Virtual Machine; The Java Application Programming Interface (API) You've already been introduced to the Java Virtual Machine; it's the base for the Java platform and is ported onto various hardware-based platforms.

The API is a large collection of ready-made software components that provide many. Your Java source compiles to a standard, platform-independent set of bytecodes, which interacts with a Java virtual machine (JVM). The JVM is a separate program that is optimized for the specific platform on which you execute your Java code.

Figure illustrates how Java can maintain platform independence. Your Java source is compiled into. Java AWT calls native platform (Operating systems) subroutine for creating components such as textbox, checkbox, button etc. For example an AWT GUI having a button would have a different look and feel across platforms like windows, Mac OS & Unix, this is because these platforms have different look and Objects to components with the Java platform book for their native buttons and AWT.

Write a class named Book that keeps track of book objects such that the instance data contains the book’s title and author and a unique identification number, say id that starts form 1 for the first book object and is incremented by 1 each time a new book with at least the title specified is created.

The Objects to components with the Java platform book methods in the Book class are as follows. Although the book's title would imply that Java developers would benefit most, this is a great introductory manual to OOP and Java 2, and perfectly suited for other platforms, as well.

It's actually a very helpful, very educational, very entertaining look at object-oriented software design, at modeling, and at proper management of the process Reviews:   The Java 2 Platform, Enterprise Edition (J2EE) defines a new standard in enterprise solutions through a simplified, component-based development model.

By extending the "write-once, run-anywhere(TM)" benefits of the Java programming language to enterprise servers, J2EE adds the scalability, robustness, and security required for today's vital e Reviews: 3.

Though the NetBeans environment also provides many rich features for the various Java platforms, such as Java Platform, Enterprise Edition (Java EE) and Java Platform, Micro Edition (Java ME), this article covers only Java Platform, Standard Edition (Java SE) technology, which is generally the entry point for new developers and programmers.

The Spring Framework is an application framework and inversion of control container for the Java framework's core features can be used by any Java application, but there are extensions for building web applications on top of the Java EE (Enterprise Edition) platform. Although the framework does not impose any specific programming model, it has become popular in the Java community.

Chapter 3 – Introducing Java After completing Chapter 3, students will be able to: 1. Define terminology associated with object-oriented programming. Explain why Java is a widely used programming language. Create Java applications. Describe the process involved in executing a Java application.

Display and format program output. Enterprise JavaBeans Component Architecture: Designing and Coding Enterprise Applications (Java 2 Platform, Enterprise Edition Series) [Anderson, Gail, Anderson, Paul] on *FREE* shipping on qualifying offers.

Enterprise JavaBeans Component Architecture: Designing and Coding Enterprise Applications (Java 2 PlatformReviews: 5. Technically, a frame is also a component, but we will treat frames differently from other components because frames form the physical windows that are seen onscreen.

Frames also have a large number of methods not found in other components. Figure illustrates some of Java’s more commonly used graphical components, listed by class name. Java is a high-level language and software-only platform. It runs on more than 50 million personal computers and on billions of devices worldwide.

9 million developers have created Java applications in all major industries. The two main components of the Java platform are the Java Application.

Java platform overview. Java technology is used to develop applications for a wide range of environments, from consumer devices to heterogeneous enterprise systems.

In this section, get a high-level view of the Java platform and its components. The Java language. Like any programming language, the Java language has its own structure, syntax. Swing is a component-based framework, whose components are all ultimately derived from the nent class. Swing objects asynchronously fire events, have bound properties, and respond to a documented set of methods specific to the component.

Swing components are JavaBeans components, compliant with the JavaBeans specification. The Java Platform, Enterprise Edition (Java EE), provides a standards-based platform for developing web and enterprise applications.

These applications are typically designed as multitier applications, with a frontend tier consisting of a web framework, a middle tier providing security and transactions, and a backend tier providing connectivity to a database or a legacy system.

Java is an Object-Oriented Language. As a language that has the Object-Oriented feature, Java supports the following fundamental concepts − Let us now look deep into what are objects. If we consider the real-world, we can find many objects around us, cars, dogs, humans, etc. All these objects. The "multi-platform" aspect of this is that you can write a program on a Macintosh and have the same graphic objects show up when the program is run under UNIX or Windows (modulo some minor problems with arrangements of objects on the screen).

Java's GUI components include labels, text fields, text areas, buttons, etc. Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

It is a general-purpose programming language intended to let application developers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation.

Purpose. In building applications, an API (application programming interface) simplifies programming by abstracting the underlying implementation and only exposing objects or actions the developer needs. While a graphical interface for an email client might provide a user with a button that performs all the steps for fetching and highlighting new emails, an API for file input/output might give.

The edition of the Java platform that is targeted at enterprises to enable development, deployment, and management of multi-tier server-centric applications.

* Java 2 Platform, Standard Edition: The edition of the Java platform that enables development, deployment, and management of cross-platform, general-purpose applications. The Java Platform Three components of the Java platform: The Java programming language The Java Virtual Machine (JVM) The Java standard library Java is both compiled and interpreted: Java source files (ending are compiled to java bytecode files (ending Java bytecode is then interpreted (run) by the JVM Compiling and running can be done on different machines - bytecode is.

When you start working with objects in Java, you find that you can use == and!= to compare objects with one another. For instance, a button that you see on the computer screen is an object. You can ask whether the thing that was just mouse-clicked is a particular button on your screen.

You do this with Java’s equality operator. Component Development for the Java Platform. Stuart Dabbs Halloway is responsible for the Java curriculum at DevelopMentor, where he teaches the Guerrilla Java and Intensive Java courses.

He writes for Sun Java Developer Connection(SM) and for JavaPro magazine, and regularly speaks at industry events such as JavaOne. Stuart received his B.S. and M.P.P. degrees from Duke University. Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications.

This tutorial teaches you how to declare classes, describe attributes via fields. This chapter introduces the generic graphical widget used within the AWT package, Component, along with a trio of specific components: Label, Button, and also covers the Cursor class, new to Java (Cursor support was previously part of the Frame class.) Although many objects within AWT don't subclass Component, and though you will never create an instance of Component, anything.

Ok, so I'm attempting to do an exercise from a book I'm using to learn Java. Here is the code that I have so far: import *; import yout; import Layout; public class Calculator { //Declaration of all calculator's components.

Component-based architecture: J2EE components are advanced forms of Java objects. Each component completely encapsulates its own code, configuration, and outward interface. The entire application can be composed from a set of reusable components. Calling a COM Component from Java. You are now able to create Java-based COM components with Automation, Custom, or Dual Interfaces.

However, the method for calling COM objects within Java applications has yet to be discussed. As you have seen, a COM object provides a pointer to a function table (v-table).

– Network comms () Sun’s JDK The Java Developers Kit (JDK) (introduced in Lesson 1) includes a standard set of classes that provide the core functions of Java. The language package () contains the lowest level of required classes.

For example, includes the Object class, the foundation of all user. PHP is a general-purpose scripting language especially suited to web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in The PHP reference implementation is now produced by The PHP Group.

PHP originally stood for Personal Home Page, but it now stands for the recursive initialism PHP: Hypertext Preprocessor. PHP code is usually processed on a web server. of Java’s basic features — the class library, Swing and GUI components — to motivate these discussions in a natural way.

Organization of the Text The book is still organized into three main parts. Part I (Chapters ) in-troduces the basic concepts of object orientation and the basic features of the Java language.

addLayoutComponent (ent component, constraints) Will be called from the container, when a new component with constraint object was added. void. JAVA SWING GUI TUTORIAL. These notes are based on the excellent book, "Core Java, Vol 1" by Horstmann and Cornell, chapter 7, graphics programming.

Introduction to AWT and Swing. AWT relies on "peer-based" rendering to achieve platform independence. But subtle difference in platforms resulted in inconsistent look-and-feel, and platform. Scala (/ ˈ s k ɑː l ɑː / SKAH-lah) is a general-purpose programming language providing support for both object-oriented programming and functional language has a strong static type ed to be concise, many of Scala's design decisions are aimed to address criticisms of Java.

Scala source code is intended to be compiled to Java bytecode, so that the resulting. public class ObjectCache extends implements izable A cache for CachedObjects that reflect files.

A cached object is loaded per filename (not the filename of the held object in the cache).In object-oriented programming and distributed object technology, a component is a reusable program building block that can be combined with other components in the same or other computers in a distributed network to form an application.

Platform: Platform refers to the entire Java development and execution environment from Sun. Java.XPCOM is a cross platform component object model, similar to Microsoft COM.

It has multiple language bindings, allowing XPCOM components to be used and implemented in JavaScript, Java, and Python in addition to C++.

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