I’m trying to to format a number using the DecimalFormat but the problem that I didn’t get the expected result. Here is the problem: I have this number: 1439131519 and I want to print only the five first digits but with a comma after 4 digits like this: 1439,1. I have tried to use DecimalFormat bu…
Tag: decimalformat
Rounding with DecimalFormat in Java
Let’s look at the following statements in Java. In the above statements, all other cases are obvious except the following. It should return 3 but it returns 2. How? Answer This is intentional behavior. From the documentation: Rounding DecimalFormat uses half-even rounding (see ROUND_HALF_EVEN) for forma…
How can I truncate a double to only two decimal places in Java?
For example I have the variable 3.545555555, which I would want to truncate to just 3.54. Answer If you want that for display purposes, use java.text.DecimalFormat: If you need it for calculations, use java.lang.Math:
How to change the decimal separator of DecimalFormat from comma to dot/point?
I have this little crazy method that converts BigDecimal values into nice and readable Strings. It however, also produces a so called grouping separator “,” that makes all my values come out like this: I do need the separator to be a dot or a point and not a comma. Does anybody have a clue of how …
Show padding zeros using DecimalFormat
I’m using DecimalFormat to format doubles to 2 decimal places like this: DecimalFormat dec = new DecimalFormat(“#.##”); double rawPercent = ( (double)(count.getCount().intValue()) / …