== Why is this an issue? Since Java 5, StringBuffer has been supplemented with an equivalent class designed for use by a single thread, StringBuilder. StringBuilder is faster, as it performs no synchronization, and should be preferred. ifdef::env-github,rspecator-view[] ''' == Comments And Links (visible only on this page) === is related to: S1149 === on 8 Aug 2013, 06:05:30 Dinesh Bolkensteyn wrote: Perhaps this rule should be merged with RSPEC-1149, as it's again about synchronized classes. === on 8 Aug 2013, 06:19:35 Dinesh Bolkensteyn wrote: Implemented by \https://jira.codehaus.org/browse/SONARJAVA-179 === on 8 Aug 2013, 12:36:43 Freddy Mallet wrote: This rule spec has been merged with RSPEC-1149 endif::env-github,rspecator-view[]