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https://jira.codehaus.org/browse/MCHECKSTYLE-240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Herve Boutemy updated MCHECKSTYLE-240:
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Component/s: predefined ruleset: Maven
> add 17, 31 and 37 to ignored MagicNumber
> ----------------------------------------
>
> Key: MCHECKSTYLE-240
> URL: https://jira.codehaus.org/browse/MCHECKSTYLE-240
> Project: Maven Checkstyle Plugin
> Issue Type: Wish
> Components: predefined ruleset: Maven
> Affects Versions: 2.12.1
> Reporter: Herve Boutemy
> Assignee: Herve Boutemy
> Fix For: 2.13
>
>
> these are classical in hash calculations
> {code:java} public int hashCode()
> {
> int hash = 17;
> hash = hash * 31 + field1.hashCode();
> hash = hash * 31 + field2.hashCode();
> return hash;
> }{code}
> or
> {code:java} public int hashCode()
> {
> int hash = 17;
> hash = hash * 37 + field1.hashCode();
> hash = hash * 37 + field2.hashCode();
> return hash;
> }{code}
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