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Originally posted by Pradeep Bhat:
A class with all static methods or a singelton for implementing utility function?
Author of Test Driven (2007) and Effective Unit Testing (2013) [Blog] [HowToAskQuestionsOnJavaRanch]
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Originally posted by Nicholas Cheung:
if no business logic inside, a class with static methods is better.
if there are business logics, singleton seems a better choice.
Nick
What is wrong in putting business logic in static method?
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what was the realization?
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Originally posted by Nicholas Cheung:
If some processes can be stateless, like data value validation, you may consider to put it in utility class.
Nick
Originally posted by Pradeep Bhat:
A class with all static methods or a singelton for implementing utility function?
However in a service oriented architecture, you can have stateless business.
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What does this have to do with DTOs with public final fields :roll:
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Originally posted by Pradeep Bhat:
Which is better
A class with all static methods or a singelton for implementing utility function?
SCJA,SCJP,SCWCD,SCBCD,SCEA I
Java Developer, Thailand
What is wrong in putting business logic in static method?
SCJA,SCJP,SCWCD,SCBCD,SCEA I
Java Developer, Thailand
What does this have to do with DTOs with public final fields
SCJA,SCJP,SCWCD,SCBCD,SCEA I
Java Developer, Thailand
Originally posted by Nicholas Cheung:
It depends on how your system design.
Personally, I vote for business logic stated with stateful objects.
Nick
I have to not agree with you this time. In an EJB session layer I would do my best to stay stateless ;-).
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I can have my state in singleton or as static fields in a class which has only static methods.
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Originally posted by Nicholas Cheung:
Sometimes can, while sometimes cannot. We certainly need to keep some states for some business operations, especally when we need to adopt the Session Facade pattern.
Nick
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