JAVA中Double,如何才能不显示成科学计数法

Double d = new Double("1234567890.12");   System.out.println("d:="+d);  java.text.NumberFormat NF = java.text.NumberFormat.getInstance();   NF.setGroupingUsed(false);//去掉科学计数法显示System.out.println("d:="+NF.format(d));