BLUEJ SAMPLE PROJECTS FOR FREE
BLUEJ SAMPLE PROJECTS INSTALL
BLUEJ SAMPLE PROJECTS CODE
BLUEJ SAMPLE PROJECTS PC

To access the JDK documentation, use the Help menu from within BlueJ.This will create a subdirectory, 'docs', within your JDK directory. The same directory where you placed the JDK ('C:/j2sdk1.5', or whatever it was). When asked where to extract the documentation to, select.

BLUEJ SAMPLE PROJECTS FOR FREE

You can download it for free onto your PC, if you don't already have such a (The documentation is written in HTML, allowing you can read it from aīrowser.) The instructions for doing this can be found at (look for the 'J2SE 5.0 Documentation' header.) You may need a compression/decompression utility, such as winzip.

BLUEJ SAMPLE PROJECTS INSTALL

If you'd like, you can install the on-line Java documentation associated with The directory at which you installed BlueJ. To open one of the sample projects from the Example directory, located in

To test your installation, go ahead and run BlueJ.

You may-but probably won't-need this when you get to 'step Writing, it is version 2.2.0.) Note the directory in which you save the downloaded

Follow the directions to download the latest version of BlueJ.

Use your web browser (Firefox or Internet Explorer) to access.

You can choose, here, to read the associated README file by clicking on the

After much whirring and clanking from the CD and your hard drive the installation.

(I think the default is something like 'C:/j2sdk1.5' You can accept theĭefault answers, but make sure you note the directory under which you are

After a while, you will be asked a series of questions.

This will pop up a window that says something about 'extracting

Running the application 'j2sdk-1_5_0_09-windows-i586.exe' by double-clicking.

(If you are on a Vista-powered PC, you should use JDK6.) For now, though, we're just interested in. You might want to check these out at some There are several interesting documents in thisįolder, including a README file.

Access the CD-ROM that came with your textbook by placing it in your PC's.

BLUEJ SAMPLE PROJECTS PC

You can use any valid identifier (an identifier can't have spaces and can't start with a numberįinally, our first BlueJ class has been compiled and run.JDK and BlueJ Installation Installing BlueJ (and the JDK) on a PC Installing the JDK If you've used Jeroo this is the same as the name of the Jeroo. There will be a prompt asking you for the instance name.

To run the class, just right click on the HelloWorld icon and select 'new HelloWorld()'.

Once the class has been compiled it is no longer striped. To do so right click on the project and select 'compile'

BLUEJ SAMPLE PROJECTS CODE

We must now 'compile' our source code into bytecode. Now that we are done writing our code, let's close the the editor.Add the following line of code inside the Constructor of HelloWorld. Now, let's add the code that will print out Hello World when we run the program. Just ask anyone in the AP class! Here's what my version of BlueJ has as the default code of each class. Now, if you've never programmed before, you may see a lot of daunting looking stuff! Eventually though, what you are looking at below will seem quite familiar and not daunting at all. To do so, right click on the 'HelloWorld' icon and select 'Open Editor' Now let's actually start programming!.'Helloworld' is just as valid of a classname but ' Hello World' is NOT a valid clas name. You cannot have a blank space in the name of a class. By convention class names start iwth a capital letter though Java does not require this. Not surprisingly, the way that you create a new class is to click on the 'new class' button!.The blank document with the turned corner represents the project: Your screen should now look like this picture. 1) After opening up BlueJ, select 'new project.' Let's call our first BlueJ project ' FirstProject'.

Bluej sample projects