在java安装程序jre/lib目录中找到font.properties.zh文件，编辑这个文件并修改成如下内容：
# @(#)font.properties.zh1.16 00/10/06
#
# AWT Font default Properties for Chinese Windows
#
dialog.plain.0=Arial,ANSI_CHARSET
dialog.plain.1=\u5b8b\u4f53,GB2312_CHARSET
dialog.plain.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialog.plain.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
dialog.bold.0=Arial Bold,ANSI_CHARSET
dialog.bold.1=\u5b8b\u4f53,GB2312_CHARSET
dialog.bold.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialog.bold.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
dialog.italic.0=Arial Italic,ANSI_CHARSET
dialog.italic.1=\u5b8b\u4f53,GB2312_CHARSET
dialog.italic.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialog.italic.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
dialog.bolditalic.0=Arial Bold Italic,ANSI_CHARSET
dialog.bolditalic.1=\u5b8b\u4f53,GB2312_CHARSET
dialog.bolditalic.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialog.bolditalic.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
dialoginput.plain.0=Courier New,ANSI_CHARSET
dialoginput.plain.1=\u5b8b\u4f53,GB2312_CHARSET
dialoginput.plain.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialoginput.plain.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
dialoginput.bold.0=Courier New Bold,ANSI_CHARSET
dialoginput.bold.1=\u5b8b\u4f53,GB2312_CHARSET
dialoginput.bold.2=WingDings,SYMBOL_CHARSET,NEED_CONVERTED
dialoginput.bold.3=Symbol,SYMBOL_CHARSET,NEED_CONVERTED
