string format decimal places code example
Example 1: java string format .2f
String.format("%.2f", 3.45);
Example 2: c# format string with 2 decimals
// just two decimal places
String.Format("{0:0.00}", 123.4567); // "123.46"
String.Format("{0:0.00}", 123.4); // "123.40"
String.Format("{0:0.00}", 123.0); // "123.00"