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Java 7: File Filtering using NIO.2 – Part 1

NIO.2 is a new API for I/O operations included in the JDK since Java 7. With this new API, you can perform the same operations performed with java.io plus a lot of great functionalities ...
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Java: The Checker Framework

One of the interesting tools I learned about at JavaOne 2012 is The Checker Framework. One of the Checker Framework’s web pages states that the Checker Framework ‘enhances ...
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Design Best practices using Factory Method Pattern

In the previous Design Pattern example we have explained about a flavor of Factory pattern which is commonly used nowadays. In this session we will understand a more advanced solution ...
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Abstract Factory Design Pattern Explained

Abstract Factory Design Pattern is another flavor of Factory Design Pattern. This pattern can be considered as a “super factory” or “Factory of factories”. The Abstract Factory ...
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JavaOne 2012 Coverage

JavaOne, the annual Java extravaganza conference, took place from 30 September to 4 October in San Francisco. Numerous interesting presentations took place, proving once again a healthy ...
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Investigating Deadlocks – Part 1

I’m sure we’ve all been there: it’s late, you’re hungry, your server has hung or your application’s running at snail’s pace, and there’s someone breathing down your neck ...
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Locking with a semaphore : An example

Concurrency is one aspect that brings along interesting challenges along with it. If not correctly handled, it brings about race conditions that will baffle people because those issues ...
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Compact Off-Heap Structures/Tuples In Java

In my last post I detailed the implications of the access patterns your code takes to main memory. Since then I’ve had a lot of questions about what can ...
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Eclipse refactoring on steroids

In my last post about common Java violations, I listed a set of mistakes that java developers tend to make. While refactoring a Java project with the objective to resolve those violations, ...
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Factory Design Pattern Case Study

I had a job to check our project code quality. And have to report it back to my team leader for any obstacle that i found in the project. I found a lot of leaks and i think would be ...
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