Field injection is evil

[Jian-Min-Huang]

• http://olivergierke.de/2013/11/why-field-injection-is-evil/
• field injection
  • less code to write
  • unsafe code
  • more complicated to test
• constructor injection
  • safe code
  • more code to write (see the hint to Lombok)
  • easy to test
• but spring test has good support of unit test