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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.
That's very easy task for all Java's users. I think, that it task is easely than other task's.
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Please use spoiler flag next time.
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Thanks a lot!
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If dragons == 0, you must return true, not false.
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That's an interesting way to look at it : you are checking whether on average the hero would have enough bullets to kill each dragon (need at least 2 bullets to kill a dragon)
It works because a new object is returned. The variable 'x' does not change.
public String replace(char oldChar, char newChar)
Returns a new string resulting from replacing all occurrences of oldChar in this string with newChar.
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