Reduce the size of methods

In general, a small method is a good method. Not only is a small method an easier chunk of logic for a programmer to understand, it makes subclassing easier. Large methods in superclasses will often be partly correct for subclasses, but not completely correct. This means that the subclass has to re-write the whole method, even if most of it is correct. If your superclass only has small methods, only some of these methods will need to be changed in the subclass, or more likely, the only change will be adding some more small methods. Small methods are therefore an important part of software reusability.

See Also

• Long method smell