Exercises, examples and other material relating to training module A503. This topic is presented on public course
Deploying Java Applications on Linux / Unix
Java is a Sun Microsystems technology. Since the specification is public, a number of different implementations are available, but it's more than likely that not that you'll want to download an install appropriate software from Sun's web site. This module covers the download, installation and initial testing of the Java 2 Software Development Kit.
Articles and tips on this subject | updated |
2079 | Java - Memory Allocation and garbage collection When you're running a dynamic application (and most of the languages we teach these days are dynamic), memory is allocated and released as necessary at run time, with allocation happening 'as required' and being released from time to time by a garbage collector - there is no point is collecting a few ... | 2012-10-13 |
2184 | Choosing the right version of Java and Tomcat Java is described as being a portable language. But that only means that the 'runnable' class files are fairly portable - you must download and install the correct Java Virtual Machine / Java Runtime Environment / Java Development Kit for your computer / operating system / needs.
This diagram shows ... | 2009-05-16 |
2153 | Class Loading and Variable Conversion in Java "Where did you get THAT from?" Ever heard that question? I've asked it of Java sometimes, in wondering where a Java virtual machine has found a class from ... and it's not always obvious.
When loading a class, Java looks at each location given in the CLASSPATH in turn ... and if there are import ... | 2009-05-02 |
2080 | Using ApacheBench and jconsole to test and monitor Tomcat jconsole lets you monitor Tomcat or another Java application so that you can see how much memory is in use, how many threads you have running, how many classes, etc.
Here's an example of a Tomcat server that was sitting virtually unused ... which we then exercised through ApacheBench - the ab utility ... | 2009-03-15 |
1908 | Java CLASSPATH explained When you run a Java program (be it though the java virtual machine or as a servlet within a web or application container such as Tomcat), it's only the main code (class) that's initially loaded. Any other code (classes) are loaded in dynamically as needed.
Where are these classes loaded from?
They're ... | 2008-11-26 |
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
Selecting which download you need.
Downloading Java.
For Linux / Unix.
For Windows.
Installing Java.
For Linux / Unix.
For Windows.
Initial Testing - the SDK.
For Linux / Unix.
For Windows.
Sourcing and installing documentation.
Downloading the Enterprise edition and server.
Initial Testing - J2EE.
Setting up a permanent CLASSPATH.
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