goindwalia

$ docker build -t <name of your Kotlin application>:<version of application>

goindwalia

FROM maven:3-alpine

MAINTAINER XenonStack

# Creating Application Source Code Directory
RUN mkdir -p /usr/src/app

# Setting Home Directory for containers
WORKDIR /usr/src/app

goindwalia

fun(x: Int, y: int): Int {

   return a + b

}

goindwalia

fun(x: Int, y: Int): Int = x + y

goindwalia

val sum: (Int, Int) -> Int = { x, y -> x + y }

goindwalia

fun alphaNum(func: () -> Unit) {}

goindwalia

fun main(args: Array<String>) {

   val numbers = arrayListOf(15, -5, 11, -39)

   val nonNegativeNumbers = numbers.filter { it >= 0 }

   println(nonNegativeNumbers)
}

goindwalia

/* 	not explicitly defined */
	
fun main(args: Array<String>) {

   val text = 10

   println(text)

}

goindwalia

fun demo(x:Any){

       if(x is String){

       print(x.length)  // x is automatically cast to string

       }
   }

goindwalia

val abc = mutableListOf(1, 2, 3)
	
abc.swap(0, 2)