java double format 2 digits code example
Example 1: java string format 2 decimal places
String strDouble = String.format("%.2f", 1.23456);
DecimalFormat df = new DecimalFormat("#.##");
String formatted = df.format(2.456345);
System.out.println(formatted);
Example 2: how to format a double in java to 2 decimal places
DecimalFormat df = new DecimalFormat("#.00");