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Core Java

JUnit in a Nutshell: Test Runners
The fourth chapter of my multi-part tutorial about JUnit testing essentials explains the purpose of the toolās exchangable test runners…
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Software Development

How much do you pay per line of code?
Yes, I know, “line of code” (LoC) is a very wrong metric. There are tons of articles written about it,…
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Core Java

Java Concurrency Tutorial – Locking: Intrinsic locks
In previous posts we reviewed some of the main risks of sharing data between different threads (like atomicity and visibility)…
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Core Java

jUnit: Rules
Rules add special handling around tests, test cases or test suites. They can do additional validations common for all tests…
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Enterprise Java

EJB 3.x : Lifecycle and Concurrency models (part 2)
This is the second postĀ of the two part series. The first part covered the life cycle and the concurrency behavior…
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Core Java

Why you should control Visibility of Class and Interface in Java
One of the important aspects of software development is maintenance, and Ā it’s proven by experience that a piece of software…
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Enterprise Java

OptaPlanner – Vehicle routing with real road distances
In the real world, vehicles in a Vehicle Routing Problem (VRP) have to follow the roads: they canāt travel in…
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Agile

Agile outside of software
Later this week Iām doing a presentation at Agile On The Beach entitled: āAgile outside of software developmentā. (I resisted…
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Enterprise Java

Really Dynamic Declarative Components
In this short post I am going to focus on ADF dynamic declarative components. I mean a well known ADF…
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