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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.
.replace(' ','') replaces only the first occurrence of space, you need to use .replace(/ /g, '') here
I am getting:
Can't initialize javac processor due to (most likely) a class loader problem: java.lang.NoClassDefFoundError: com/sun/tools/javac/processing/JavacProcessingEnvironment
Is this a problem in my solution or not?
Agreed - the tests only pass if I misspell 18 as 'eightteen'