Arraylist full of functions?

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Function as argument of another function

I’ve wet my feet a little on the Java package java.util.function by instantiating a Predicate and passing it as an argument at these 2 old sketch links below: Forum.Processing.org/two/discussion/21761/querying-arraylist#Item_2 Forum.Processing.org/two/discussion/22823/how-to-implement-this-method#Item_2 Of course it’s not even close to an actual lambda -> syntax. But it’s as far as we can go under the PDE.