The J2ME platform is targeted at consumer electronics and embedded devices. It is comprised of a set of configurations, profiles, and standard extensions that can be used to build complete Java runtime environments that meet the requirements of a broad range of devices on the market. Each combination is designed to fit specific market requirements and device capabilities.

Java 2 Platform, Micro Edition (J2ME) is the edition of the Java platform which addresses the needs of the consumer and embedded device space. Referring to the above figure, the J2ME architecture is composed of configurations and profiles. A configuration is composed of a minimal layer of core libraries designed to provide just enough functionality to safely and securely download Java classes to a device and configure the Java environment.

What is the difference between PersonalJava technology and the K virtual machine? Consumer Device Development

The Java 2 Platform, Enterprise Edition (J2EE) is a set of coordinated specifications and practices that together enable solutions for developing, deploying, and managing multi-tier server-centric applications. Building on the Java 2 Platform, Standard Edition (J2SE), the J2EE platform adds the capabilities necessary to provide a complete, stable, secure, and fast Java platform to the enterprise level.

The JSP 2.0 specification is an important part of the Java 2 Platform, Enterprise Edition 1.4. Using JSP and Enterprise JavaBeans technologies together is a great way to implement distributed enterprise applications with web-based front ends.

JavaServer Pages and Java Servlets are the web presentation layer in the Java 2 Platform, Enterprise Edition Platform. Sun adapts and integrates the Tomcat code base into the J2EE SDK, which is available under separate licensing.

J2SE is Sun's Java programming platform, aimed at network oriented enterprise applications. J2SE comprises the Java 2 Software Development Kit (SDK) and Java 2 Run-time Environment. Get the J2SE from http://java.sun.com/j2se

Java is a programming language invented by Sun Microsystems. J2ME is a version of Java specifically designed to work on small devices such as mobile phones. J2ME allows you to download applications, including games, to your J2ME-enabled phone. If the downloaded application does not require network access, you can use it anywhere without consuming airtime.

The Java 2 Platform is richer than its predecessors in functionality, performance, and security options. As a developer, you want the users of your software to have the most feature-complete Java platform possible so that the full range of APIs and libraries are available for your applications. If your customers are using the Java 2 Platform, you can write more powerful, robust, and full-featured applications and applets.

In the large majority of cases, there are no compatibility issues to be concerned about when moving from JDK 1.1 to the Java 2 Platform. The documentation for a given Java 2 Platform release describes all known incompatibilities, most of which are in the category of "corner cases." For example, known compatibility issues in version 1.4 of the Java 2 Platform are described at http://java.sun.com/j2se/1.4/compatibility.html.

Because the Java Foundation Classes are designed to be truly cross-platform, they run equally well on all Java Compatible Platforms.

Motorola offers Motodev, the Motorola developer network, available at http://developer.motorola.com/. There are different SDKs available for their different...

J2ME is The Java(TM) 2 Platform Micro Edition. This edition targets the Java 2 platform targeted at handheld devices such as PDAs and phones. It includes a virtual Machine (VM) and a set of APIs for the runtime environments on handheld devices. The J2ME technology has two primary kinds of components--configurations and profiles. The two most important configurations are Connected Limited Device Configurations (CLDC) and Connected Device Configuration (CDC).

C, C++ are 3GL Languages and are great for developing things from scratch. Business applications require standard widgets like lookup tables, grids, data stores etc these should be coded from scratch in 3GL. GoDB on the other hand has been designed from ground up for business applications.

No, the Java applications are handset specific. If you download the applications via www.hutchisonmacau.com, please make sure the Java applications apply to the handset model you used. It depends on the handset memory of the handset model you use. For example, if you are using a Nokia 7650 phone, You can go to "Menu -> Tools -> Manager" to check the memory consumption. For details, please refer to the individual handset user menu.

It is taken care of at synchronization time. If a form fails the validation logic on the server, you will see the errors on the Forms Manager on the device. It is possible to use the JavaScript API to the Forms Manager to smoothly handle these errors. It's a standard from the World Wide Web Consortium for interfacing any programming language to HTML. It's what desktop browsers use, for example, as does Java.

The purpose of the JavaTM Pet Store Demo is to illustrate design patterns and advanced coding strategies that relate directly to the Java programming language and specifically to the JavaTM 2 Platform, Enterprise Edition (J2EETM). A genuinely ported application would have to implement the same design patterns and same coding strategies to really be comparable.

a member of the Sun Developer Network, you can browse the Bug Parade to see what 'Requests for Enhancement' (RFEs) have been filed and which have the most votes.

Open ESB supports Java EE platforms for GlassFish, JBoss, and the Sun Java Application Server Enterprise Edition. Check the release notes with each download to get the latest list of supported Java EE servers and operating platforms.

Yes, it can be programmatically accessed by virtually any development environment that conforms to the required standards. The MapPoint Web Service API is a standard SOAP XML-based Web service exposed through WSDL. So long as your development platform of choice supports SOAP web service standards, it can be used with MapPoint Web Service, Because the Map Control is a client side component run in the web browser, there is no dependency on the development environment.

HotJava Views 1.1 is using JNDI to access LDAP. Enterprise APIs such as Enterprise JavaBeans, Java Message Service, JDBC 2.0 make use of JNDI to for their naming and directory needs. RMI over IIOP applications can use JNDI to access the CORBA (COS) naming service.

The Java programming language is based on the Unicode character set, and several libraries implement the Unicode standard. The primitive data type char in the Java programming language is an unsigned 16-bit integer that can represent a Unicode code point in the range U+0000 to U+FFFF, or the code units of UTF-16. The various types and classes in the Java platform that represent character sequences - char[], implementations of java.lang.

The Java platform has been very widely adopted already - it is one of the most important and widely used components of modern web-based infrastructure. But there remain un-tapped or under-served markets. In particular, Java technology is not always included in open-source web infrastructure stacks that are commonly distributed and deployed alongside and included with GNU/Linux distributions.

No. Although the Javadocs are the primary documentation for application developers, they form only a small portion of the Platform Specification, which includes several other important, normative documents (prescriptive parts of the standard) including the Java Language Specification, the Java Virtual Machine Specification, and other ancillary specification documents that are referenced from the Javadocs.

For the same reasons as outlined in the previous question, currently the DESIGN CENTER does not support Java 2. We will add this functionality in the very near future, however.

Since both of these are documents and not source code, there is no source to open! Thus, while we are open sourcing Sun's implementations of both, we cannot "open source" the Java programming language, nor the platform APIs and specifications, which are governed by the JCP.

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