How to round a number to n decimal places in Java
- by Alex Spurling
What I'd like is a method to convert a double to a string which rounds using the half-up method. I.e. if the decimal to be rounded is a 5, it always rounds up the previous number. This is the standard method of rounding most people expect in most situations.
I also would like only significant digits to be displayed. That is there should not be any…