Loading collection data...
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.
Length property is not calculated.
No need to cache Length of an array;
No, because you're not thinking on bills, you have 100 dollars, yes, but 2 50 dollars bills, how do you give 75 back like that?