BlackBerry Programming 101 - How to Get Started With BlackBerry Software Development

The success of newer BlackBerry models like the Pearl, Curve, Bold and Storm have allowed RIM (Research in Motion) to penetrate the consumer smartphone market and go head-to-head with the Apple iPhone as an application platform. If you've been ignoring the BlackBerry platform because it was too Enterprise-focused for your applications, it might be time to specifically target the BlackBerry. Here's how you get started.

It's Java Time

BlackBerry development for all recent models is done exclusively in Java. So if you're not a strong Java programmer, now's the time to brush up on your Java programming skills. (C# programmers will find the transition to Java fairly simple, the languages are very close in most respects.) Don't learn about the newest Java features, however, because the BlackBerry platform is built on top of Java Micro Edition (Java ME), which is itself a derivative of Java version 1.3. So forget all the fancy (but useful) language features introduced in Java 1.5 -- generics, enumerations, and so on -- you can't use these in BlackBerry programming. You can't also use most of the library classes you're familiar with -- they're just not there. A small subset of the Java Standard Edition (Java SE) classes are supported, as well as a number of BlackBerry-specific classes.

BlackBerry Programming 101 - How to Get Started With BlackBerry Software Development

Java Micro Edition?

Once you've brushed up on your Java, you need to spend a bit of time understanding the Java ME platform, which was formerly known as Java 2 Micro Edition, or J2ME for short. You need to understand the concepts of configurations and profiles, and in particular the CLDC and MIDP standards. You'll find lots of information about these in various books and on Sun's Java development site.

The BlackBerry Platform

After learning about Java ME, it's time to explore the BlackBerry platform. The BlackBerry platform is based on the CLDC and includes support for MIDP 2.0. However, a large number of BlackBerry-specific classes are also provided. Which brings you to the first question you'll face: are you going to write a BlackBerry application or a MIDP application? In a MIDP application you're constrained to only use the APIs exposed by the CLDC and MIDP standards. Your application will run on the BlackBerry and on most cellphones, but it won't be able to use any of the BlackBerry's special features. You can use any MIDP-compatible development tool, such as the Sun Java Wireless Toolkit for CLDC (formerly known as the J2ME Wireless Toolkit), to create your applications.

Most application developers opt to build BlackBerry-specific applications. This means learning the BlackBerry-specific APIs -- including new user interface classes -- and using the BlackBerry Java Development Environment (JDE) to develop your applications. The JDE, which is free to download, works with the standard Java Software Development Kit and provides you with all the tools necessary to create, package, test and debug BlackBerry applications. You don't even need a BlackBerry handheld, because the JDE includes a full-featured BlackBerry device simulator. A complete set of JavaDocs is provided that describes all the classes and interfaces available to programmers.

After downloading and installing the JDE, you'll want to read the developer's guides that come with the JDE and look at the sample applications that are shipped with it. Then start your development by writing a few simple applications to get a feel for the BlackBerry APIs and the tools.

Get A BlackBerry Handheld

Although you can develop and test your applications for free, at some point you'll need to run the application on an actual BlackBerry handheld. This will cost you money, of course, and so it's not something you'll want to do until you're serious about writing BlackBerry applications. On-device testing is crucial to ensuring that the application works correctly, because the simulator is not a perfect emulation system.

If you're truly serious about BlackBerry application development, consider also joining one of the BlackBerry developer programs for additional support and early access to new devices and APIs. You should also explore RIM's other BlackBerry developer resources. There are also third-party forums and books available to help you learn the BlackBerry platform.

Conclusion

BlackBerry programming is not hard if you know some Java and you understand the constraints and limitations of the underlying Java ME platform. You have to learn a new set of APIs and use new development tools, but in the end it's just another kind of Java programming.

BlackBerry Programming 101 - How to Get Started With BlackBerry Software Development
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Eric Giguere is a consultant and author who specializes in BlackBerry programming and other wireless development topics.

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Mostly Used Programming Languages and Their Programming Advantages

Nowadays, world wide clients are demanding for cost effective solutions along with high-performance speedy development. In recent internet marketing arena, designing a good website template and placing unique and relevant content is not enough for a profitable web businesses. Web programming is getting more value in terms of building flexible websites. Web programmers are skilled in many programing platforms and satisfying the clients with their expertise.

In recent web industry as well as in software industry there are mainly three types of programming platforms getting famous in regards to their superb resource, their security and easy availability in the market and they are PHP platform, dot net platform and the java platform. These three programming platforms have their own advantages according to their work procedures

Advantages of Java programming

Mostly Used Programming Languages and Their Programming Advantages

1. As a programming language Java is secure, multi-threaded, distributed, high-performance, object-oriented, robust, dynamic and portable in nature.
2. Java applets are platform independent and utilized for web programming.
3. Mobile applications made by Java is fully compatible with any mobile operating systems. In software development this is denoted as prime feature of Java mobile applications.
4. Enterprise Java Beans (EJB), Remote method Invocation (RMI) are globally accepted architecture for distributed systems.
5. Struts, CORBA, Hibernate, DAO are widely accepted Java architectures which fully support internationalization (i18n) for enterprise applications.
6. In Java programing, we can use any kind of database (paid or free) as per the client's requirement, i.e. for choosing database, Java programming language does not create any burden.
7. We all know that Java is a open source programming language and it is easily available in the market without any hassle.

Advantages of Dot Net programming

1. In Dot Net programing the programming codes and the HTML exist in different files.
2. Dot Net frame works are hugely used for doing specific applications.
3. Automatic garbage collection is possible in Dot Net programming.
4. Dot Net uses safe type cast and Strong and powerful IDE's for better and faster application development.
5. As this is a consistent programming model, it has got the direct support for security, in short Dot Net is highly secured programming language.
6. Dot Net provides an attribute called Serialization which is used for publishing or producing an item in the form of a series of information bits.
7. It is language independent, so if the team has multiple skill expertise like C#, Dot Net, C++, developers can still work on the same project with different skills set.
8. MS technologies provides RAD (rapid application development) to deliver project faster, because customers always prefer faster delivery.
9. Dot Net debugging is very effort-less therefore, can fix the bugs quicker.

Advantages of PHP programming

1. This programing language is accepted by maximum web programmers for its open source features.
2. PHP is a server side programming language that is widely used for web programming.
3. PHP language has some similarity with C and C++ programming. PHP syntax is quite similar to C and C++ syntax thus, a PHP programmer can easily learn it and make use of it in their respective works.
4. PHP programming language can run on both Windows and UNIX servers.
5. My-SQL is well known online database and can be interfaced very well with PHP. Therefore, PHP and My-SQL are an excellent combination for small business owners.
6. PHP language has got the powerful output buffering techniques that further increases over the output flow.
7. PHP can be used with a large number of relational database management systems, runs on all of the most popular web servers.
8. PHP5 is dynamic, platform independent and fully object oriented language that helps to build complex and large web applications.

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What Is Architectural Programming?

The short answer is that Architectural programming is everything you need to know before you draw. The longer answer is that programming is a process that an Architect leads a client through to identify and articulate what the projects objectives and constraints are now and in the future. This process will involve our asking questions then listening. At the end of the process we will establish the project design objectives a list of your needs, wants, and priorities in written and numerical form. The result will be a detailed work plan that will guide the Planning and Design process. Good, detailed programming is imperative to a successful project.

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The final deliverables of Architectural Programming are a Project Narrative, Program Statement, Adjacencies Diagram, and a Preliminary Budget. The Project Narrative is an overview of the entire project explaining the project scope and goals. It also contains descriptions of each department and functional spaces such as lobbies, meeting rooms, and cafeterias. The Program Statement is an overall numerical summary of the project (spreadsheet) identifying all individual requirements at a departmental level. We suggest that this statement include the following minimum information: existing spaces, proposed new spaces, future expansion, and tabulation of all space requirements including circulation, wall, and mechanical space. The Adjacencies Diagram is a graphically depiction of the spacial relationship of all the program elements to one another. The Preliminary Budget is an opinion of probable cost based on simple square footage cost of similar projects. Using experience from similar past projects we will recommend space needs, in the case of a unique requirement we will specifically study special space needs and adjacencies.

Recommended Steps in the process

What Is Architectural Programming?

Identify the basic elements and set up a structure for collecting information and making decisions. Review existing organizational charts and employee lists Identify all influencers and decision makers Clarify how decision will be made Who reviews and makes recommendation Who makes final decisions

Identify structural elements Identify wall construction including demountable partitions for possible relocation

Identify items for reuse, refurbishment and replacement

Project Narrative Program Statement Adjacencies Diagram Preliminary Budget

What Is Architectural Programming?

Burt Andrews is an Architect with over 20 years of experience in designing restaurants and retail stores. You can read more of his restaurant ideas at his restaurant design blog. He is a principal at Larson and Darby Group in charge of the St. Charles, IL office.

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Viruses have been around for ages and will always be around given the advances in technology and the knowledge of hackers today. Don't think that you won't get an infection if you don't surf the internet as there are many other ways in which virus infections can work their way onto your system. Although internet downloads are the most common you can also receive infections via software exchanges between systems via USB or hard drives which contain infections. The bottom line is that when they get onto your system they perform damage quickly and this is why you need to use these pc security tools in order to stop it before it's too late.

Spyware And Viruses

Signs that indicate an infection are significant speed reduction, browser crashes, error screens, deleted program files, freezing, advertisements and system reboots. There are many others and even if you don't experience these you should still run a virus scan and you will be shocked at how many infections there will be on your computer.

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