Hello, World is the First program that explains how to write a program, and compile and run the program in Swift.
Swift Hello World First Program
Hello World program contains three ports
- Comments
Comments are a string of text about lines of code or swift files.
These are also ignored by the swift compiler.
It always starts with //
followed by comment text
- import
import keyword used to import namespaces that contain variables, and functions into current code. The Foundation library is a basic library that provides a utility class in Swift to import
print is the output function that prints the string to the console.
Next, Open Visual Studio Editor and create a Hello. swift
Swift code extension is .swift
Hello.swift:
// Hello.swift
// Hello World program in Swift
import Foundation;
print("Hello World W3schools.io!");
Compile and Run the Swift program
Compile the code using swiftc compiler
swiftc Hello.swift
It compiles the code and creates an executable file Hello
.
You can run the code using
in Windows
Hello
In Linux or Mac
./Hello