Core Java
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Testing Grunt Plugin From Grunt
Writing tests for grunt plugin turned out to be less straightforward then expected. I needed to run multiple task configurations…
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Everything You Need To Know About Default Methods
So, default methods… yesterday’s news, right? Yes but after a year of use, a lot of facts accumulated and I…
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How The Decorator Pattern Saved My Day
At work I am dealing with a huge Java code base, which was developed over the course of more than…
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The Serialization Proxy Pattern
In my last post, I talked about serialization in general. This one is much more focused and presents a single…
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Calling grandparent methods in Java: you can not
In the article Fine points of protection I detailed how “protected” extends the “package private” access. There I wrote: What…
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Reason for Slower Reading of Large Lines in JDK 7 and JDK 8
I earlier posted the blog post Reading Large Lines Slower in JDK 7 and JDK 8 and there were some…
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How I’d Like Java To Be
I like Java. I enjoy programming in Java. But after using Python for a while, there are several things I…
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Testing System.in and System.out with system-rules
Writing unit tests is an integral part of software development. One problem you have to solve when your class under…
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Java8 Lambdas: Sorting Performance Pitfall EXPLAINED
Written in collaboration with Peter Lawrey. A few days ago I raised a serious problem with the performance of sorting…
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