Answers for "string format"

formartted string java

String str = String.format( "Hello \n World \n my name is %s and i'm %d years old" , "Paul", 27);

c# string formatting

name = "Bob";
age = 27;
info = $"Your name is {name} and you are {age} years old";

string format

fun Double.format(digits: Int) = "%.${digits}f".format(this)