ArrayList of ArrayLists (dynamic 2D array) of custom class

[GoToLoop]

Look again what’s stated on the wiki screenshot I’ve posted earlier:

// the Foo class must implement the Cloneable interface
//     for this code to compile

As I’ve warned you before we’ve gotta code our own clone() function.

Here’s an example of how to implement a clone() method within a class:

Functions argument

Or even better, use it as an actual full-fledged class, w/ constructors, fields & methods: // https://Discourse.Processing.org/t/functions-argument/11010/5 // GoToLoop (v1.1) (2019/May/09) final Pair pair = new Pair(5, -10); void setup() { println(pair); // [ 5, -10 ] println(pair.calc('y')); // [ -50, 540 ] println(pair.set(5, -10)); // [ 5, -10 ] println(pair.calc('u')); // [ 3, -2 ] println(pair.clone()); // [ 3, -2 ] exit(); } static final class…