Category Archives: Java

JDK 8, OSX, and Netbeans

By Gene De Lisa | Published: May 6, 2013

Have you installed an Early Access Release of JDK 8? You may want to still use JDK 7 for some projects. I have a JavaFX 2 project that needs JDK 7 since there will be API changes in JDK8. I’ve previously covered using non Apple JDKs on Mountain Lion. Unfortunately, that doesn’t affect NetBeans default [...]

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JDK 7 on OSX

By Gene De Lisa | Published: March 19, 2013

You can download a dmg from Oracle’s download page. You might expect that you’d run the installer and you’d be ready to go. Not me. I had previous versions of Java installed. In my startup file (.bash_profile) I had set this: export JAVA_HOME=/Library/Java/Home/ With this set, java -version still reported 1.6. I set it to [...]

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JDK 7 for OSX

By Gene De Lisa | Published: August 5, 2011

In the past, developers obtained the JDK from Apple. Apple has announced that they will no longer provide a JDK. They will support the Open JDK project instead. Here are he details of the Mac OS X Port Project within OpenJDK. You can check status of the port on the project’s Wiki There is also [...]

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Plain Old Java Object – POJO

By Gene De Lisa | Published: August 13, 2005

You have probably read someplace that Plain Old Java Object AKA Pojo was the invention of a committee. The term was coined by Martin Fowler, Rebecca Parsons and Josh MacKenzie in September 2000 This reminds me of Woody Allen’s short story in Getting Even on the “invention” of the Earl of Sandwich. 1745: After four [...]

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The Big O

By Gene De Lisa | Published: April 4, 2003

You may have seen someone write this: List accounts = new ArrayList(); Why didn’t they just write ArrayList accounts = new ArrayList(); Well, remember that List is the interface and ArrayList and LinkedList are implementations. That means it is OK to point at the implementations through the interface type – which is where we started [...]

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ANT and XDoclet

By Gene De Lisa | Published: January 10, 2003

I just upgraded to Ant 1.5.1 and XDoclet 1.2b2. I was getting this message: “[ejbdoclet] Make sure the jar file containing the ejbdoclet class is on the classpath specified in the that defined {2}. These classes are needed in order to generate correct output.” Real good. The {2} tells me that they missed a message [...]

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phillies.com

By Gene De Lisa | Published: January 9, 2003

I was up this morning at 4:30 AM. My 18 lb. Maine Coon cat Giacomo wasn’t taking no for an answer. He likes to get on my chest and chew on my chin until I pay attention to him. So, while I was up I went to the server. I remembered that Phillies tickets were [...]

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Turkeys and Gizzards : Java Inner Classes

By Gene De Lisa | Published: July 17, 2002

Let’s look at a Turkey class. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 package tg; public class Toikey {   private int grit; private int acid; private String name;   public Toikey() { [...]

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