How to prevent minus sign when using DecimalFormat?

Question

I am using a library that lets me configure the way numbers are formatted using a DecimalFormat pattern. I need to remove the minus symbol to show the absolute value of the numbers. I have tried both "0.00###;0.00###" and "0.00###;#" without success. I can choose any minus symbol (eg "0.00###;(0.00###)") but I can't have no sign at all?

Thanks in advance for your suggestions,

Tom

Answer 1

why can't you call Math.abs() before formatting your number?

int myNum = -123;
myNum = Math.abs(myNum);
System.out.println(myNum); // 123

Answer 2

If you really can't use absolute values with Math.abs as mentionned in other answers, you could change the minus sign in the DecimalFormatSymbols of your DecimalFormat . Beware that you need to set back the value into your DecimalFormat since it returns a different instance when calling getDecimalFormatSymbols .

You could also use DecimalFormat.setNegativePrefix("") as kdgregory commented.

Answer 3

如果使用“0.00 ###; 0.00 ###”（注意分号后面的空格），则不会显示负号。

Answer 4

它可能不是你想要的，但为什么不使用Math.abs（）并简单地做：

new DecimalFormat("0.00###").format(Math.abs(value))