Hey. First of all, can you tell us what you are using besides Java? Did you use a framework or a special game engine?
What kind of working system do you have now?
If we had a little more information we might be able to help you a little better. But besides that: In general you could make a class CollectibleItem (with several subclasses if needed) and make those objects in the world. Then you can program ways to interact with those items.
SpringDev
Member Since 03 Dec 2012Offline Last Active Jan 10 2013 03:31 PM

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