How to display process variable populated by hand from editable grid in 6x Form?

Q&A
1

I fill a process variable called “javaList” by hand (java.util.List) using and editable grid. The editable grid has two columns.

https://imgur.com/gac1Zlj

In the next activity i want to display the values stored in the process variable “javaList”

https://imgur.com/waUsSwu

But i get this result

https://imgur.com/1cd9od4

but I would like to have the following result

https://imgur.com/gac1Zlj

How to separate [[1,2]] in each column?

2

y si lo que haces es se separar por corches cuadrado ya que cada fila te parece como una pareja ordenada lo que tendria que hacer es un programa que encuentre los corches cuadrado y lo se paras por columnas