[MCHECKSTYLE-240] add 17, 31 and 37 to ignored MagicNumber

• Type: Wish
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.12.1
• Fix Version/s: 2.13
• Component/s: predefined ruleset: Maven
• Assignee: Herve Boutemy
• Reporter: Herve Boutemy
• Created: 26/Jul/14 17:15
• Updated: 29/Oct/14 22:31
• Resolved: 18/Aug/14 10:16

Description

these are classical in hash calculations

      public int hashCode()
     {
         int hash = 17;
         hash = hash * 31 + field1.hashCode();
         hash = hash * 31 + field2.hashCode();
         return hash;
     }

or

      public int hashCode()
     {
         int hash = 17;
         hash = hash * 37 + field1.hashCode();
         hash = hash * 37 + field2.hashCode();
         return hash;
     }