Four "harmful" Java idioms

http://www.javaworld.com/javaworld/jw-07-2008/jw-07-harmful-idioms.html

Use a naming convention to distinguish three kinds of data, not two: local variables, fields, and method arguments. (disagree)

Prefer the package-by-feature style over package-by-layer. (interesting idea, practical?)

Prefer immutable objects over JavaBeans.(agree)

Order items in a class in terms of decreasing scope, with private items appearing last. (interesting idea, potentially confusing)

Referenced

• Code Complete by Steve McConnell
• Martin Odersky, the principal creator of Scala
• Josh Bloch