It is impressive to see the amount of similarity which exists in Swift, Kotlin and Go, the three new languages for iOS, Android, and server-development respectively.

Consider a simple, Hello World program.

Swift

Swift
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func printHello() {
  // Type automatically inferred to string
  let name = "Ashish" // let declares a read-only variable
  print("Hello world from \(name)!")
}

Kotlin

Kotlin
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fun printHello() {
  // Type automatically inferred to string
  val name = "Ashish"  // val declares a read-only value, var declares a read-write variable
  println("Hello world from ${name}")
}

Go

Go
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import fmt

func printHello() {
  // Type automatically inferred to string
  const name = "ashish"  // const declares a constant value
  fmt.Printf("Hello world from %s", name);
}