怎样使按钮显示的“是 否 取消” 为英文

JOptionPane.showConfirmDialog(frame,"The file has not  been save,do you want to save it?","choose one",JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE);
怎样使按钮显示的“是 否 取消”  为英文
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是不是要把系统改成英文版的呀？
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