Swift Program to print Hello World String on the console

Program

#!/usr/bin/swift
print("Hello World")
print("Welcome to oodlescoop")

Output 1

$ chmod +x hello-world.swift
$ ./hello-world.swift
Hello World
Welcome to oodlescoop

Output 2

$ swiftc hello-world.swift 
$ ./hello-world
Hello World
Welcome to oodlescoop