Kotlin

  package com.example.my_kotlin_practice fun main (args: Array<String>) { // Kotlin built in data type can be categorized as follows: // // Number // Character // String // Boolean // Array var a : Int = 10000 var d : Double = 100.00 var f : Float = 100.00f var l : Long = 1000000004 var s : Short = 10 var b : Byte = 1 println ( "Int value is : $ a " ) println ( "Double value is : $ d " ) println ( "Float value is : $ f " ) println ( "Long value is : $ l " ) println ( "Short value is : $ s " ) println ( "Byte value is : $ b " ) // Kotlin character data type is used to store a single character, and they are represented by the type Char keyword. // A Char value must be surrounded by single quotes, like 'A' or '1'. var letter : Char = 'A' println ( "Character value is : $ letter " ) // Kotlin supports a number...

  package com.example.my_kotlin_practice fun main (args: Array<String>) { var name = "Helle World" var age = 22 var height = 8 println (name) println (age) println (height) // variable values using $ sign println ( "Name : $ name " ) println ( "Age : $ age " ) println ( "Height : $ height " ) // variable values without using $ sign println ( "Name : " + name) println ( "Age : " + age) println ( "Height : " + height) // Mutable variables name = "How are you ?" age = 24 println ( "Name : $ name " ) println ( "Age : $ age " ) // Read-only variables /* A read-only variable can be declared using val (instead of var) and once a value is assigned, * it can not be re-assigned */ val bat : String = "Tomorrow" val toy : Int = 20 println ( "Bat : $ bat " ) println ( ...