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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
It does, but it's all garbage collected, since the substrings are scoped to the for loop (and just until Integer.parseInt finishes!) There's probably more memory-saving ways of doing this. I like the readability, but definitely not the only way to solve this
Hi
ofcourse not