Problem Statement  
Create a class DivDigits containing a method howMany which takes as an argument an int number and returns how many digits in number that number itself is divisible by. Count all occurences of such digits in the number, not just the first. See examples for more information.  
Definition  
 
Notes  
  No number is divisible by 0.  
Constraints  
  number will be an int between 10000 and 999999999, inclusive (between 5 and 9 digits, inclusive).  
Examples  
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