Programming-Idioms

Edit summary for version 11 by :

↷

2015-08-21, 14:59:59

2015-08-21, 23:32:50

Idiom #65 Format decimal number

From real value x in [0,1], create its percentage string representation s with one digit after decimal point. E.g. 0.15625 -> "15.6%"

From real value x in [0,1], create its percentage string representation s with one digit after decimal point. E.g. 0.15625 -> "15.6%"

import java.text.DecimalFormat;

import java.text.DecimalFormat;

String s = new DecimalFormat("0.0%").format(x);

String s = new DecimalFormat("0.0%").format(x);

This notation handles the multiplication by 100 for you.

This notation handles the multiplication by 100 for you.

http://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html

http://docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html

https://ideone.com/acD3dm

https://ideone.com/acD3dm

Next change ↷