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Core Java
Builders and Manipulators
Here is a simple principle for naming methods in OOP, which I’m trying to follow in my code: it’s a…
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Software Development
What’s Wrong With Global Variables?
Only lazy people haven’t written already about how global variables are evil. It started in 1973 when W. Wulf et al.…
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Software Development
Object Validation: to Defer or Not?
I said earlier that constructors must be code-free and do nothing aside from attribute initialization. Since then, the most frequently…
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Software Development
One More Recipe Against NULL
You know what NULL is, right? It’s evil. In OOP, your method can return NULL, it can accept NULL as…
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Software Development
The Right Way to Report a Bug
You know, at Zerocracy, either you are a programmer or a tester, and we pay for each bug you find…
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Software Development
How to Be Lazy and Stay Calm
What frustrates me most in my profession of software development is the regular necessity to understand large problem scopes before…
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Software Development
Nine Steps of Learning by Refactoring
I was asked on Twitter recently how is it possible to refactor if one doesn’t understand how the code works.…
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Core Java
How I Test My Java Classes for Thread-Safety
I touched on this problem in one of my recent webinars, now it’s time to explain it in writing. Thread-safety…
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Core Java
Fluent Interfaces Are Bad for Maintainability
Fluent interface, first coined as a term by Martin Fowler, is a very convenient way of communicating with objects in…
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