Popular Technology Degrees
Java: Programming for the Future
by Mary Hobson
mary.hobson@hqpublications.com
Technology Schools Columnist
Writing a Java program is the "standard" way to build websites, and for a time in the late 1990s it was definitely sexy to say that you were taking a Java training course – and to some extent that is still true. So what is Java, and why is it so popular for building websites?
Major Java Program Features
There are four major features of a Java program that make it particularly useful in a network environment. We can look at in relatively simple terms, which include:
- Object Orientation. Most programming languages concentrate on the actions that are to be performed, but Java defines objects – entities containing data - and then manipulates these.
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- Platform Independent. Java was designed to run on any platform with little manipulation, including diverse hardware such as mobile phones and various computing platforms
- Secure Execution of Remote Code. This means that you can use Java written code to run remote programs, but in a restricted area (known as a "sandbox"), so that if there is any malicious intent, the user is protected.
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- Automatic Garbage Collection. This is a way of making sure that the java program does not use memory that it does not need. It is a very important feature if you want to program on a variety of platforms, taking up as little space as possible, since you cannot predict the environment that the programs run in.
These four features help to make a Java program suitable for use when you are writing for a series of different platforms, some at least of which you have no knowledge of when you are writing the original application. They allow applications to run with the least possible "footprint," and with as little intrusion as possible on the receiving machine.
Java is a direct successor to C++, another object-oriented programming language, and it owes something to C++ and other languages. But Java was written for a different purpose. Although Java is similar in some ways to C++, it is essentially a higher level language.
Take a Java Training Course
So why would you want to take a Java training course? Well, the advantages are fairly obvious if you are looking at Java developer jobs. You can write applications that will run on anything within the network, without having to write specifically for that hardware.
You can allow your applications to be downloaded and used in Websites, knowing that they will work safely and effectively, and more importantly, fast.
You can write an application once, and know that it will work on almost any platform that exists - and that will exist in the near future.
Java Developer Jobs Give Satisfaction!
There are other more technical reasons why you might want to take a Java training course that are beyond the remit of this article, but there is no doubt that if you are looking for Java developer jobs in a web environment, this is one skill that will make your working life much more worthwhile – in all kinds of ways!
About the Author
Mary Hobson is a consultant for technology start-ups in Russia. She has also worked as an executive officer in a defense facility and as a university lecturer in computer science and management information. Mary earned her first degree in textile marketing and subsequently studied education and computer science at a Master's degree level.
Source
- http://www.free-definition.com/Java-programming-language.html
