Code Smell 14 - God Objects

An object that knows too much or does too much.

Problems

• Cohesion

• Coupling

Solutions

• Split responsibilities.
• Follow Single Responsibility Principle.
• Follow The Boy Scout Rule.

Examples

• Libraries

Exceptions

• Facades

Sample Code

Wrong

Right

Detection

Linters can count methods and warn against a threshold.

Tags

• Cohesive

Conclusion

Libraries were fine in the 60. In Object Oriented Programming we will distribute responsibilities among many objects.

Also Known as

• Large Class

More info

• Wikipedia
• Refactoring Guru
• Coupling

Credits

Photo by Francisco Ghisletti on Unsplash