Here are the instructions for downloading JDK (Java Development Kit) and the JCreator IDE (Integrated Development Environment). You may prefer to download JDK as a step in the downloading of JCreator. Both of these programs are free.

The JDK bundle contains among other things, the java compiler (javac) which produces java bytecode. It also contains the java interpreter (java) which executes the bytecode, i.e., runs your program.

We say that JCreator is a "thin layer" above the JDK. This means that it does not contain the compiler or the interpreter (it points to JDK); but it will enable you to compile, debug and run your programs by chosing menu options. For instance, if you make a compilation error, JCreator displays the error messages in a separate window. When you double click a given error message, JCreator will point to the offending line in your program. This is very helpful, especially for long programs.

Both of these programs are downloaded in zipped form. In order to unzip them you need WINZIP. If you don't have it, download it from http://www.winzip.com/downauto.cgi?winzip80.exe.

DOWNLOADING THE JDK BUNDLE

Again, you may prefer to download JDK as a step in the downloading of JCreator. However, you may be using a different IDE from JCreator and may have to download JDK separately. Here's how:
  1. Go to the javasoft URL:
    http://java.sun.com/j2se/1.4/download.html
  2. Go to : Download J2SE v1.4.0_01 and click the DOWNLOAD link under the SDK column for Windows (all languages, including English). IGNORE EVERYTHING ELSE.
  3. Click the button at the page bottom to ACCEPT the licensing agreement.
  4. On the next page click theDownload J2SDK-1 4 0 01- windows-i586.exe link. The system will automatically choose a directory for you for the download, or you may choose your own.
  5. After some time the download is complete. Then after closing all applications, go to the jdk directory or the one the program setup for you, and click the jdk-1_4_0-win icon. Click the Wizard button at the upper right of the Winzip window. This will automatically unzip the jdk bundle.
  6. Follow the wizard instructions, clicking next and yes when appropriate; also choose the desired directory and hit save. Finally click finish.

DOWNLOADING JCreator

  1. First, click on http://jcreator.com
  2. Click on Freeware in DOWNLOAD NOW! JCREATOR Freeware and then on the next screen click Download. This will download version 2.0.
  3. In the dialog box, click the Open it button and then click OK.
  4. After some time the download is complete. The WINZIP program will then take over and unzip JCreator. If not, using the Windows explorer find and then click the JCrea200.zip icon. Click the Wizard button at the upper right of the Winzip window and click the Next button until the file is unzipped. Then after closing all applications, start the install program and JCreator will be installed.
  5. After the installation is complete, launch JCreator from the icon that was placed on the desk top.
  6. To point JCreator to the JDK folder, start by clicking Configure/Options/Editor.



    Click JDK Profiles. In the JDK Profiles window, the Default classpath of the selected JDK profile slot must have information in it. If not, click the JDK version 1.3 profile at the top of the window.



    Then click Edit, and in the Classes window click Add and then



    choose Add Path and select the folder containing the JDK documentation,



    and click OK. Then in the Classes window, the JDK directory will appear at the bottom of the list:



    Then click OK and finally, OK in the original window.
  7. To compile and run a program, use the "Build" menu.

DOWNLOADING THE DOCUMENTATION

  1. Go to the URL: http://www.javasoft.com/products/jdk/1.3/download-docs.html The 1.4 version link is not yet operating.
  2. Click Continue under Download JavaTM 2 SDK 1.3.0 Docs - HTML Format and agree to the licensing agreement by clicking ACCEPT.
  3. Click the FTP download button.
  4. For further instructions, click INSTALLATION on the previous screen.
  5. After the download is complete, unzip the file by clicking the Wizard button at the upper right of the UNZIP window.
  6. To have JCreator point to the Java docs, go to Configure/options/Editor. Click JDK Profiles. In the JDK Profiles window, the Default classpath of the selected JDK profile slot must have information in it. If not, click the JDK version 1.3 profile at the top of the window.



    Then click Edit, and then the Documentation tab. In the Documentation window click Add and then choose Add Path and select the folder containing the JDK documentation, and finally hit OK. Finally click the OK buttons until all the windows are closed.
  7. You will then be able to access the documentation supplied by Sun by going to the Help menu in JCreator.