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Quick, Cheap, Quality: choose two

It is old and common wisdom. Even printed on billboard of the mechanics shop where my car is usually repaired. And as with many well known facts: they are ignored many times. Although ...
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Using junit for something else

junit != unit test Junit is the Java unit testing framework. We use it for unit testing usually, but many times we use it to execute integration tests as well. The major difference ...
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Default methods and multiple inheritance

Recently Lukas JOOQ Eder posted and article about nested classes and their use. This is an interesting topic and his article is, as always, interesting and worth reading. There was ...
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Do not unit test bugs

Before getting to the topic of the title let’s have a simple programming sample. On the programming task I will demonstrate some bad coding style and based on that it will be easier ...
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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 you can do isOverride the method in the child ...
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Fine points of protection

In the article Some Sentences about Java I wrote that “Protected methods and fields can be used from classes in the same package (so far the same as package private) and in addition ...
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Use copy paste programming!

Copy paste is bad We hate copy paste. Why? Because the result code is unmaintainable. I get a bug reported from QA, I analyze the code, look at logs, debug, drink a lot of coffee and ...
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Outsourcing, Do It Right

Most of the times outsourcing is a nightmare. Companies outsource the activities that are not their core activity nevertheless needed for business to get the job done as cheap as possible. ...
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Why do we mock?

I do Java interviews. During the interviews I ask technical question that I know the answer for. You may think this is boring. To be honest: sometimes it is. But sometimes it is interesting ...
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Unit test life?

You can not program without testing. You write unit tests first and then you write your code. (Well, I know you don’t but just let’s focus on best practice.) When there is an error ...
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