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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.
Your code does not take into account the number of characters in the correct way.
For example, if the input is ";)(" it meets the condition-> [0]==";" && [1]==")"
but does not take into account the third character "(".
I hope it helps.
Same thing happened to me. Reading the error message may help you.
In my case, the error occurred when there was a "+" sign just before a number at the end of the string. Had to get around it using the "isDigit()" method.
I hope it helps.
I think the correct answer should be "4|1". my method returns "4|1" without giving any error.
Perhaps you are counting digits from "4" so you will have "2 digits(4 & |), but in this case the number of digits should be "0 digits".
I hope it helps.