Headley Williamson’s Java code, answers, tutorials, and courses
Over the weekend, my laptop was running slow so I decided to run defrag after about 10 hours of it running I decided to cancel the defrag and rebooted my system. The system gave an error similar to “Windows XP can not boot required DLL missing”.
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Sun Microsystem’s Java Developers Kit (SDK) is a set of tools that are needed to develop Java programs and applets. The latest SDK can be found at: http://www.javasoft.com/. The JDK contains:
• javac – Java compiler
• java – Java Interpreter
• jdb – Java debugger
• appletviewer – Java applet viewer
• javadoc – API doc generator
• applet API documentation
• Java Programming guide
The Java language was used in several projects while it was being designed. Originally Java was intended for use in programming consumer devices. However, it turned out to be a great language for programming for the Internet.
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Configuring the JDBC jndi name in RAD ia a lot harder than it needs to be.
Here is how to do it.
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Example I got working:
Sokkit: 4.0
JDK: 1.5.0_05
Tomcat: 5.0.28
I have written a multithreaded hash table framework. You can put multiple tasks to do work for you with a simple “put” with a key,Then when it completes you can do a “get” to return the data worked on. The “get” will block until that requested thread is finished working.
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Here is a small example of a simple text file reader.
TextFileReader.java
I recently tried to get a container managed transaction message bean to read from a MQ queue then read from an oracle database. I got an error indicating that I did not have XA Transactions turned on in my MQ queue. Then I dug a little deeper….
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I wanted to profile an ATG Dynamo 6.4 app, so I down loaded a 10 day trial version of Optimizeit 6.0, but it only came with instructions for configuring ATG Dynamo 4.5.
So here are the instructions for configuring Optimizeit with ATG Dynamo 6.4
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