How to supress or correct this warnning

hi ... I have plain java program .. written using a windows with US english.... now i have to run the same jar file in a windows with japanese in it ... but when i run the jar a warning

" Default charset MS392 not supported , ISO-8859-1 instead "

is appearing ... I strictly dont want to this to be displayed... how to supress this warning or how to correct it

pls help

__raj

[409 byte] By [specraja] at [2007-10-2 0:38:36]