bigdecimal Archives - Tutorial Guruji

java math library for BigDecimal which allows null values

Java February 12, 2013

Is there a BigDecimal library with the basic operations of BigDecimal which allows null values? Null should be treated as 0 for mathematical purpose. I don’t want to do all the null checks for …

Java double vs BigDecimal for latitude/longitude

Java July 19, 2011

When storing latitudes/longitudes which are typically of the format: 44.087585 (i.e. max 2 numbers before the dot and 6dp) do I need to bother with bigdecimals?

Java library to check whether a String contains a number without exceptions

Java July 22, 2009

I’m looking for a method that returns a boolean if the String it is passed is a valid number (e.g. “123.55e-9”, “-333,556”). I don’t want to just do: public boolean isANumber(String s) { try { …