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Java Code Style: The Final Decision

Isn’t it funny how the alleged most unremarkable things can lead to controversial discussions or sometimes even heated debates with hardend fronts? I witnessed on several occassions ...
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Using AssertJ and Awaitility together thanks to Java 8 and lambdas

AssertJ and Awaitility are two of my favorites tools using in automatic code testing. Unfortunately until recently it was not possible to use it together. But then Java 8 entered the ...
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Java arrays, Wat!?

There is a few things you can do with arrays which are surprising.                     Is it an array or not? Serializable array = ...
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How JSR107 Caching Annotations are meant to be used

I am getting a few questions lately on JSR107 caching annotations and whether implementations of JSR107 are providing them. Caching annotations can be added to your Java classes and ...
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How to Convert Byte Array to InputStream and OutputStream in Java

Are you stuck with your coding because you have a byte array and next method in chain needs an InputStream? don’t worry Java has solution for that, You can use ByteArrayInputStream ...
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Playing with Java 8 – Lambdas and Concurrency

So Java 8 was released a while back, with a ton of features and changes. All us Java zealots have been waiting for this for ages, all the way back to from when they originally announced ...
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Live Templates in IntelliJ

As described here, IntelliJ’s live templates let you easily insert predefined code fragments into your source code. I have posted some of my most used templates below, a link to my ...
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Difference between State and Strategy Design Pattern in Java

In order to make proper use of State and Strategy design Pattern in Core Java application, its important for a Java developer to clearly understand difference between them. Though both ...
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HashMap performance improvements in Java 8

HashMap<K, V> is fast, versatile and ubiquitous data structure in every Java program. First some basics. As you probably know, it uses hashCode() and equals() method of keys to ...
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Handy New Map Default Methods in JDK 8

The Map interface provides some handy new methods in JDK 8. Because the Map methods I cover in this post are implemented as default methods, all existing implementations of the Map ...
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