[java] 소수점 고정시키기

[java] 소수점 고정시키기

 

import java.text.DecimalFormat; public class DecimalFormatTest {     public static void main(String[] args)  {         DecimalFormat df = new DecimalFormat("#######.00");         DecimalFormat df2 = new DecimalFormat("#######.000");                      String number1 = df.format(55);         String number2 = df.format(42.196);         String number3 = df.format(2.1);                    String number4 = df2.format(55);         String number5 = df2.format(42.196);         String number6 = df2.format(2.1);             System.out.println("number1 55  ==> " + number1);         System.out.println("number2 42.196  ==> " + number2);         System.out.println("number3 2.1  ==> " + number3);                    System.out.println("number4 55  ==> " + number4);         System.out.println("number5 42.196  ==> " + number5);         System.out.println("number6 2.1  ==> " + number6);                      } }   결과값   number1 55  ==> 55.00 number2 42.196  ==> 42.20 number3 2.1  ==> 2.10   number4 55  ==> 55.000 number5 42.196  ==> 42.196 number6 2.1  ==> 2.100

 

출처 : http://chongmoa.com/java/8435