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A Java conversion puzzler, not suitable for work (or interviews)

A really hard interview question would be something like this:                   int i = Integer.MAX_VALUE; i += 0.0f; int j = i; System.out.println(j ...
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Factory Without IF-ELSE

Object Oriented Language has very powerful feature of Polymorphism, it is used to remove if/else or switch case in code. Code without condition is easy to read. There are some places ...
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Keyboard shortcuts in IntelliJ

I attended a talk by Hadi Hariri at JavaOne last week. He introduced a whole bunch of IntelliJ keyboard shortcuts I was not aware of. Very useful talk. I have listed some of the most ...
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JavaOne 2014 Observations by Proxy

I wasn’t able to attend JavaOne this year, but have been happy to see some online resources covering what happened at JavaOne 2014. In this post, I summarize some of the observations ...
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Using Java API for WebSockets in JDeveloper 12.1.3

Introduction The latest release of JDeveloper 12c (12.1.3.0) along with WebLogic Server 12.1.3 came up with some new Java EE 7 features. One of them is support of JSR 356 Java API for ...
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JavaOne 2014: Conferences conflict with contractual interests

The Duke’s Street Cafe where engineers can have a hallway conversation on the street.                    Incompatible with contracting My ...
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The Heroes of Java: Dan Allen

The “Heroes of Java” series took a long break. Honestly, I thought it might end in the middle of nowhere, even if there are still so many people I would love to include ...
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Don’t Miss out on Writing Java 8 SQL One-Liners with jOOλ or jOOQ

More and more people are catching up with the latest update to our platform by adopting functional programming also for their businesses. At Data Geekery, we’re using Java 8 for our ...
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Reducing the frequency of major GC pauses

This post will discuss a technique to reduce the burden garbage collection pauses put on the latency of your application. As I have written couple of years ago, disabling garbage collection ...
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Dead simple configuration

Whole frameworks have been written with the purpose of handling the configuration of your application. I prefer a simpler way. If by configuration we mean “everything that is likely ...
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