All Questions
7 questions
5votes
1answer
307views
What do you call an enum that translates its own values?
I see this pattern a lot, especially with countries, or more generally regions. An enum is defined with additional fields and with methods that translate to and from these values. Example: import ...
- 159
1vote
2answers
1kviews
Concept/Design question: Alternatives to switch/conditional statements and Enums
I am practicing design patterns and OO concepts such as inheritance in java and I'm writing an application that represents a vending machine. I have two questions focused on ideal structure and design ...
2votes
5answers
1kviews
How can I write an enum for date periods where not all periods have a static number of months?
I have an enum that works very well to represents date periods and the number of months in those date periods: public enum StandardDatePeriod { ONE_MONTH(1), SIX_MONTH(6), ONE_YEAR(12), ...
- 285
3votes
3answers
1kviews
Is Enum Polymorphism bad for DAO Methods?
I have been going back and forth in a discussion about polymorphic enums to call different DAO methods depending on enum entry, and I haven't been able to get a common agreement on this subject. Lets ...
3votes
3answers
755views
Enums and single responsibility principle (SRP)
I have been experimenting lately with enums, and I found out that in Java they can do much more than simply representing a fixed set of constants. Now, I am thinking about creating a new enum for my ...
- 1,425
2votes
1answer
628views
Why use a enum to create the singleton pattern [duplicate]
Why would you use an enum to create a singleton pattern? To what purpose would it serve over a conventional singleton pattern? I have seen the above used. The code uses an enum to create this pattern ...
- 131
10votes
3answers
21kviews
Best approach for multilingual Java Enum
I'm running into issues with an approach I am taking and am now wondering if I just started down the wrong path and should rethink my approach. Here is what I attempting. I would like to use an Enum ...
