Category Archives: Java

Strings and intern

Posted on August 22, 2010 by Kon

Strings, yawn, boring.  They are kinda the bread and butter of our development but lets face it, we can take em for granted sometimes. So some neat tips from this blog post about Strings in Java. The most useful one … Continue reading →

Posted in Java | Tagged , , | Leave a comment

Legacy Java Systems

Posted on August 1, 2010 by Kon

I’ve had my fair share of working with legacy code.  I don’t think legacy code is a bad thing because its existence means it has addressed the majority of the needs of the business successfully enough to stay around.  However, … Continue reading →

Posted in Development Practice, Java | Tagged , | Leave a comment

UUID’s in Java

Posted on July 27, 2010 by Kon

UUID’s are useful for making unique reference numbers of things.  In an ideal world these UUIDs are so long, they never collide. The first place to discuss UUIDs would be RFC 4122.  The next part would be the wikipedia entry … Continue reading →

Posted in Java, Networking | Leave a comment

Lessons in Jasper (i)Reports

Posted on July 19, 2010 by Kon

I had some great fun today playing around with iReport. I used Dynamic Jasper before iReport so it was an interesting experience seeing the platform first hand and seeing all the capabilities it offered via the properties panels in iReport … Continue reading →

Posted in Java | Tagged | Leave a comment

Apache Commons reflectionHashCode builders

Posted on July 16, 2010 by Kon

This was my response to this short post about using reflectionHashCode to implement your objects hashCode method dzone.com – overriding equals() and hashcode() – best practice I’ve come to love the Apache commons builders over the last couple of years … Continue reading →

Posted in Java | Leave a comment

Hyperic HQU Monitoring

Posted on June 12, 2010 by Kon

As a software dev who worked with an ISP, I learnt monitoring is a big thing.  Customers have availability metrics we need to meet, and more importantly customers are paying for a service.  When it goes down, they shouldnt have … Continue reading →

Posted in Groovy, Java, Monitoring | Leave a comment

QtJambi – Qt for Java

Posted on June 12, 2010 by Kon

My recent interest in Signals and Slots led me to a few other more detailed docs on the subject Signals and Slots – TrollTech Docs v4.6 QtJambi Docs – the Java spin of Qt Meet QtJambi QtJambi reference docs Qt … Continue reading →

Posted in Java | Leave a comment

Lambdas are not closures

Posted on June 6, 2010 by Kon

A λ (lambda) is an anonymous function. In addition to Closures, Oracle are looking at including lambdas in JDK 7, which would bring more functional goodness to the feature stagnant Java. This InfoQ article sums up the situation nicely.  It … Continue reading →

Posted in Java | Leave a comment

Graph Databases

Posted on June 6, 2010 by Kon

A great article on the NoSQL movement, focusing on Graph Databases and the Neo4J implementation appeared on InfoQ. Graph databases store a Node (aka vertex), that has properties (aka attributes), that is then linked to another node.  The relationship (aka … Continue reading →

Posted in Database, Groovy, Java | Leave a comment

Java WebStart Links & Specs

Posted on June 4, 2010 by Kon

Start Here: http://java.sun.com/javase/technologies/desktop/javawebstart/index.jsp Java Web Start Guide Java Web Start Developers Site FAQ: http://java.sun.com/javase/technologies/desktop/javawebstart/faq.html#72 JNLP Specification Java Web Start Tutorial Unofficial Java Web Start/JNLP FAQ: http://lopica.sourceforge.net/faq.html#turn-off-splash

Posted in Java | Leave a comment