Kotlin Programming Cookbook

How to do it...

In the following steps, we will learn how to use String templates:

1. In Kotlin, the template expression starts with a $ sign.
2. The syntax of string templates is as follows:

$variableName

Alternatively, it is this:

${expression}

3. Let's check out a few examples:

• Consider the example of a String template with variable:

fun main(args: Array<String>) {    val foo = 5;    val myString = "foo = $foo"    println(myString) }

The output of the preceding code will be foo = 5.

• Consider the example of a String template with expression:

fun main(arr: Array<String>){  val lang = "Kotlin"  val str = "The word Kotlin has ${lang.length} characters."  println(str)}

• Consider the example of a String template with raw string:
  • Raw string: A string consisting ...