tree d92ec2e59da1f1bbe6ba70c492231872f1a5f88a
parent 8f6f59cc6611a2e05a8561b6d1255d8a38edfaf7
author Albert Gorski <sagorski@ncsu.edu> 1474468403 -0400
committer Ben Gruver <bgruv@google.com> 1474611911 -0700

Use guava's 'Joiner' instead of 'String.join'

This replaces the usage of the Java 8 'String.join' method with guava's
'Joiner' which is Java 6 compatible.