Installing Java on Linux
To install j2sdk1.4.2_04 on linux, download j2sdk-1_4_2_04-linux-i586.bin
and read installation instructions at Sun website http://java.sun.com/j2se/1.4.2/install-linux.html#install
Note that this software can be installed in any directory. After installation, make sure to add path to .../j2sdk1.4.2_04/bin to environmental variable PATH, and add path to .../j2sdk1.4.2_04/jre/lib/rt.jar to environmental variable CLASSPATH
Installing Package JavaBook
To install package javabook, download javabookEd3.zip. Then unzip in any directory of your choice, say X. It will create a subdirectory javabookEd3. Then add the following path to the environmental variable CLASSPATH ...path to.../X
You can download javabookdoc.zip to install HTML documents for javabook.
Installing Package JavaElements
To install package JavaElements download element.zip. Then unzip in any directory of your choice, say X. It will create subdirectories element, META-INF, structure. Then add following path to the environmental variable CLASSPATH ...path to.../X
You can download elementdoc.zip to install HTML documents for JavaElements
Installing BlueJ
To install BlueJ, download bluej-205.jar. Run the installer by executing java -jar bluej-205.jar.
In the installer, select an installation directory and your JDK directory and install. In the installed bluej directory, you will find a file named bluej. Execute this file to start BlueJ.