SOLID

The SOLID acronym is something we tend to hear a lot about in Oriented Object Programming (OOP). It’s a mnemonic acronyme that list 5 design concepts intended to make software designs more understadable, flexible, maintainable and scalable.

The 5 principles are :

• Single-responsability principle
• Open-closed principle
• Liskov substitution principle
• Interface segregation principle
• Dependency inversion principle

Going further :

• SOLID - Wikipedia
• SOLID & Ruby in 5 short examples
• SOLID Design principle in Ruby