FULL PRODUCT VERSION :
java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Windows7 Professional version 6.1 build 7601 Service Pack 1

A DESCRIPTION OF THE PROBLEM :
Japanese translation mistake in java -Xmx help

This help was showed in terminal with following command
$ java -X
 -Xmx<size> Java?????????????????????????????????????????????

but this means,
set minimum Java heap size

not maximum

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
type $ java -X in Japanese environment

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
    -Xmx<size> Java?????????????????????????????????????????????
ACTUAL -
    -Xmx<size> Java?????????????????????????????????????????????

REPRODUCIBILITY :
This bug can be reproduced always.