David Pursehouse 60ebcdb18e Remove explicit initialization of default values
Default values are false for boolean, 0 for int and char, and null
for object references.

Explicitly initializing a variable to the default value causes it
to be initialized twice.

Enable the Checkstyle warning, and fix occurences of it.

Change-Id: I1971e438fc506c18458b1402fcb01e43fa61ff8c
2016-04-12 21:48:52 +09:00
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