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Is it possible to have more than one data type within an array list, or even two of the same data type such as:

ArrayList<Integer,Integer,Integer> triple = new ArrayList<Integer,Integer,Integer>();

I notice this causes an error but I'm just wondering if there is indeed a way to do this?

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No. If you defined a class Triple<Integer, Integer, Integer>, you could in turn have an ArrayList<Triple<Integer, Integer, Integer>>, however.

Is this for some sort of list of 3d points?

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