W3School TIY Editor

val myNum: Int = 5                // Int

val myDoubleNum: Double = 5.99    // Double

val myLetter: Char = 'D'          // Char

val myBoolean: Boolean = true     // Boolean

val myText: String = "Hello"      // String

println(myNum)

println(myDoubleNum)

println(myLetter)

println(myBoolean)

println(myText)