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Yegor Bugayenko
10 September 2014

Anti-Patterns in OOP

Here they come:

• NULL References

• Utility Classes

• Mutable Objects

• Getters and Setters

• Data Transfer Object (DTO)

• Object-Relational Mapping (ORM)

• Singletons

• Controllers, Managers, Validators

• Public Static Methods

• Class Casting

• Traits and Mixins

Avoid them at all cost. Check this list and this one too.