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toCharArray

 
Ranch Hand
Posts: 41
Eclipse IDE Java
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here s is a new hashset of characters
s = new HashSet<Character>();

whats wrong ? why the compiler error
 
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Copy/paste the exact, complete error message into a post here.

Also, it will be easier for you and us to see the source of the error (and to read your code in general) if you don't cram so much into one line. I would write that as 4 lines of code.
 
It is sorta covered in the JavaRanch Style Guide.
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