I need an equivalent java code for the instruction below:
param1 = [NSString stringWithFormat:@"%f", (param2 - param3)];
where param1 is a string, param2 a double and param3 a float
You can use String.format("%f", param2 - param3) (which is closer to the original code) or String.valueOf(param2 - param3) (which is simpler).
String.format("%f", param2 - param3)
String.valueOf(param2 - param3)
System.out.println (String.valueOf (param2 - param3));