javac: how to set default encoding to utf-8? I tired to type -encoding utf-

How to set default encoding to utf-8 for javac?
[54 byte] By [alex_pivovarova] at [2007-10-2 11:04:34]
# 1
javac -encoding="UTF-8" http://www.jorendorff.com/articles/unicode/java.html
MartinHilperta at 2007-7-13 3:38:09 > top of Java-index,Developer Tools,Java Compiler...
# 2
Write a wrapper script around javac.
BIJ001a at 2007-7-13 3:38:09 > top of Java-index,Developer Tools,Java Compiler...