Java: double: how to ALWAYS show two decimal digits

Question

I use double values in my project and I would like to always show the first two decimal digits, even if them are zeros. I use this function for rounding and if the value I print

Answer 1

java.text.DecimalFormat df = new java.text.DecimalFormat("###,###.##");
df.setMaximumFractionDigits(2); 
df.setMinimumFractionDigits(2);