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Stacks and Queues in Java

I have been working on some Java code recently that required both a stack and a queue. The choices to use aren’t immediately obvious. There is a Queue interface, but no clear concrete ...
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Unique hashCodes is not enough to avoid collisions

There is a common misconception that if you have unique hashCode() you won’t have collisions.  While unique, or almost unique, hashCodes are good, this is not the end of the ...
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Write an auto-debugger to catch Exceptions during test execution

Previously I have stated that there are some exceptions you would always want to keep an debugger breakpoint on for. This help prevents code rotting away without you noticing – ...
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Java Object to Object Mapper

I’ve been using Dozer some time on the project. But, recently I have got very interesting error which motivates me to look around and try to use other Object to Object mapper. Here ...
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JavaOne 2013 Vicariously

I was disappointed that I was not able to attend JavaOne 2013, but was happy to see numerous useful posts covering this annual conference. In this post, I link to many of these resources ...
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Travel Report: JavaOne 2013 – Back To Glory

I’m back since a few days already and needed to catch up with all the things which had been on hold for the last couple of days. It was the busiest time of the year for me. A ...
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XML Security with Digital Signature in JAVA

Introduction As you know XML plays a major role in our product or project development and from an XML document we gather lot of information and also we can perform CRUD operations with ...
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Creating Password-Based Encryption Keys

This article discusses creating password-based encryption PBE keys. First a reminder of earlier points – as a rule you should, when practical, use the PBE key as a master key that ...
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Javaone 2013 Review

tl;dr I attended Javaone again this year. It was fun. Sunday The conference kicked off on Sunday, with user group sessions and the main keynote. I was actually unable to attend those, ...
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Ahoy There Callbacks!

Because it’s my bag, I like JavaScript. In fact, I’ve grown to love JavaScritp’s asynchronous callback oriented style of programming. Consequently, when I find myself in a non-JavaScript ...
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