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Investigating Deadlocks – Part 3

In my previous two blogs in this series, part 1 and part 2, I’ve demonstrated how to create a piece of bad code that deadlocks and then used this code to show three ways of taking ...
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JUnit Rules

The first time I stumbled over a JUnit @Rule annotation I was a bit irritated of the concept. Having a public field in a test case seemed somewhat odd and so I was reluctant to use ...
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Android Reverse Engineering and Decompilation

Reverse engineering of android java app using apktool, dex2jar, jd-gui to convert .apk file to .java. By reverse engineering of android app (.apk file) we can get following :understand ...
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Spring: Setting Logging Dependencies

This post describes how to set-up logging dependencies in Spring. It is based on information available in a post by Dave Syer’s. A reminder on Java logging frameworks is available here. ...
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Prototype Design Pattern: Creating another dolly

It’s really a time consuming process to create objects and also an expensive affair. So we are now on a venture to save both time and money. How do we do that?Anybody remember about ...
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Java 7: File Filtering using NIO.2 – Part 2

Hello all. This is Part 2 of the File Filtering using NIO.2 series. For those of you who haven’t read Part 1, here’s a recap. NIO.2 is a new API for I/O operations included ...
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Applying a Namespace During JAXB Unmarshal

For some an XML schema is a strict set of rules for how the XML document must be structured. But for others it is a general guideline to indicate what the XML should look like. This ...
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Grails SQL Logging part 2 – groovy.sql.Sql

I discussed options for logging Hibernate-generated SQL in an earlier post but today I was trying to figure out how to see the SQL from groovy.sql.Sql and didn’t have much luck ...
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Testing Hadoop Programs with MRUnit

 This post will take a slight detour from implementing the patterns found in Data-Intensive Processing with MapReduce to discuss something equally important, testing. I was inspired ...
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Java deadlock troubleshooting and resolution

One of the great things about JavaOne annual conferences is the presentation of several technical and troubleshooting labs presented by subject matter experts. One of these labs did ...
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