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Java module J702
Hello Java World
Exercises, examples and other material relating to training module J702. This topic is presented on public courses Learning to Program in Java, Java Bootcamp, Java Programming for the Web

In this module we write the simplest of programs - a program which displays the words "Hello World". This shows you how to use the editor, compiler and runtime environment that you'll be using in subsequent models and gives you a minimal framework on which to expand.

Related technical and longer articles
Overview of Java
Hello Java World

Articles and tips on this subjectupdated
4350Keyboard reader for Java programming newcomers
I've added a new class of Keyboard Reader for our Java courses [here], for the earlier examples and exercises just after "Hello World". We want to be able to teach people to write a read - calculate - write program early on, but Java inputs require exception handling, and exceptions are objects, and ...
2859Using java, javac, jar, and CLASSPATH - a simple example
What Version of Java am I running? How do I edit, compile and run a Java program? What does this error message mean? How do I puts lots of classes into a single file, then run them from that file? How do I see what's in that file? How do I get Java to look for a class it needs in a series of ...
2414Hello World - a good traditional start to a Java course
All programming courses, it seems, start with a "Hello World" program. It's almost a tradition and while I'm not one of those people who follows traditions just for their sake, traditions usually are founded on good reason. This one is, and we follow it! When you come new to a programming language, ...
Examples from our training material
Hello.java   "Hello World!" in Java
Two.java   Second Java program - calls methods
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from [here].
Topics covered in this module
Basic program structure. First Output.
Sequence of statements. Comments.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

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