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-1votes
3answers
163views

Chain of responsibility look alike but choose handler at runtime

Currently I have an structure of PopUps and I've been thinking to use Chain of Responsibility pattern, but the difference is a popup can back to previous one PopUp and also can go to any other PopUp. ...
André Pietro's user avatar
4votes
1answer
391views

Dynamic Object Abilities When Saving State

I have n classes that extends from a State class, the purpose of the State class is to manage the state of the extended classes. For each class we need to save it in the database, remove it and select ...
bnsd55's user avatar
3votes
1answer
1kviews

How do I use polymorphism instead of instanceof?

I'm trying to make an abstract board game. In the game, a player can choose to make multiple actions within one turn such as placing, moving, or rotating a piece. I'm not sure if whether or not my ...
Michael Newgate's user avatar
4votes
2answers
896views

Clean Architecture: get instance in inner circle of class from outer circle

This might be an easy question for experienced software engineers. I'm currently reading the book Clean Architecture by Uncle Bob, and I'm trying to implement clean architecture in a Java project. ...
weibeld's user avatar

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