What was the hardest part you ever face when you learn something in Sololearn?

Question

Mine was SVG in HTML5. I wasn't understand but I managed to search additional info in comment section and Google. I tried harder and harder until I completely understood about the lesson. And that is something that improve my skill to be a better developer.

Did you give up when you face your hardest part? I hope you didn't😊

So that was mine, what's yours?

Answer 1

arrays

Answer 2

The whole Exceptions, Lists, Threads and Files section of the Java Tutorial

Answer 3

It wasn't on SL, but while I was learning Heavy Light Decomposition algorithm then I was completely in stuck for few days.

Answer 4

C++ pointer syntax