I’m having a problem coming up with a way to take a string and use
.split() twice to make a nested array.
For example if I have the string
1|2|3#1|2 and then I use
split("#"), I end up with:
[ "1|2|3" , "1|2" ].
I then want to
.split("|") the inside strings somehow, so I end up with:
[ [1,2,3] , [1,2] ].
But it needs to be a
I already tried using an ArrayList as the as the external one so I had an ArrayList and then just used
.add() to build it up with each of the internal arrays.
But then I could not figure out how to convert it to a
I’m probably missing something obvious but I’ve been trying for around an hour and have had no luck.