CharDiff (Ruby class)

Simple CharDiff class written in Ruby

Parameters

• str1, str2 - words to compare

count method

Returns number of differ characters between two words in the same position

Prerequisites

str1 & str2:

• can not be empty
• must have the same number of characters
• must be strings
• must be words (only alpha characters)

Author

(C) Copyright by Łukasz Szeremeta 2014