Why doesn't 0.1 + 0.2 equal 0.3 in Java? Trying BigDecimal for monetary calculations

I added 0.1 and 0.2 to check if they equal 0.3, but it returned false. The formula should be correct, so why?This is a ...
InfoWorld

BigDecimal, Groovy, and the Non-terminating Decimal Expansion

Not all Java developers need the precision that BigDecimal offers. However, those who do usually don’t have to use BigDecimal for very long before running into the java.lang.ArithmeticException with ...
InfoQ

Java 8 for Financial Services

It’s purely fictitious data, made up in just a few minutes in Excel but we’re going to use this for the examples. To import this into Java we have a few choices; we could hand code the Trade class and ...
InfoWorld

Float/Double to BigDecimal in Groovy

In a previous blog post, I looked at the subtle handling required to handle double with BigDecimal. As I discussed in that post, using the BigDecimal(double) constructor rarely does what one would ...