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Core Java
Observer design pattern in Java
As the name suggests it is used for observing some objects.Observer watch for any change in state or property of…
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Enterprise Java
Java: Rest-assured (or Rest-Very-Easy)
Recently I had to write some Java code to consume REST services over HTTP. I’ve decided to use the Client…
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Core Java
Java – Handmade Classloader Isolation
In a recent project we had a typical libraries conflict problem. One component that we could control wanted a specific…
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Enterprise Java
Using twitter4j with Play! Framework and Secure Social is this easy
During yesterday’s personal Hackathon, I started a project which I might introduce here sometime. But the coolest revelation was (again)…
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Enterprise Java
Easy testing SLAs on distributed components with grep4j
So your distributed architecture looks something like the picture below and you just have received a requirement from the business…
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Enterprise Java
Test driving Java API for Processing JSON with GlassFish 4.0
Writing and contributing to a specification is one thing. Working with it and looking into real examples a pre-condition if…
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Core Java
Most popular Java environments
The post is going to be the first in the forthcoming series. We start with the environments used: if you…
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Core Java
Chronicle and the Micro-Cloud
Overview A common question I face is; how do you scale a Chronicle based system if it is single writer,…
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Scala
Using Twitter4j with Scala to perform user actions
Introduction My previous post showed how to use Twitter4j in Scala to access Twitter streams. This post shows how to…
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