java DecimalFormat
public class Test{
public static void main(String[] args) throws Exception{
/*DecimalFormat参数,如果是0则会显示0,如果是#怎不显示0*/
DecimalFormat df = new DecimalFormat("0.00");
System.out.println(df.format(1231213));
//输出:1231213.00
DecimalFormat df_2 = new DecimalFormat("#.##");
System.out.println(df_2.format(1231213));
//输出:1231213
}
}
java.text.DecimalFormat API
- Symbol Location Localized? Meaning
- 0 Number Yes Digit
- # Number Yes Digit, zero shows as absent
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