object Demo
{
  def main(args : Array[String])
  {
    // println
    println("Age: "+39);
    println("Name: %10s, Age: %10d".format("Lin", 39));

    // printf
    printf("Name: %10s, Age: %10d\n", "Lin", 39);
  }
}
		

object Demo
{
  def main(args : Array[String])
  {
    val name = "Lin";

    // 's' Interpolator
    println(s"Hello $name");
    println(s"1 + 1 = ${1+1}");
    // 'f' Interpolator
    println(f"Hello $name%10s");
    // ‘raw’ Interpolator
    println(raw"Hello \n $name"); // no escape
  }
}