Hello World
Related learning
- Learn how to build iOS applications with Swift and SwiftUI and publish them to Apples' App Store.
- Includes 7 Courses
- With Certificate
- Beginner Friendly.13 hours
- Learn how to use Swift and SwiftUI to build iOS applications.
- Includes 26 Courses
- With Certificate
- Beginner Friendly.40 hours
print()
The print() function outputs one or more values to the terminal.
print("Hello, world!")// Prints: Hello, world!
Program Structure
The program runs line by line, from top to bottom:
- Line 1 prints
Hola - Line 2 prints
Buenos días
print("Hola")print("Buenos días")
Single-line Comments
Single-line comments are created using two consecutive forward slashes. The compiler ignores any text after // on the same line.
// This line denotes a comment in Swift.
Multiline Comments
Multiline comments are created using /* to begin the comment, and */ to end the comment. The compiler ignores any text in between.
/*This is all commented out.None of it is going to run!*/
Learn more on Codecademy
- Learn how to build iOS applications with Swift and SwiftUI and publish them to Apples' App Store.
- Includes 7 Courses
- With Certificate
- Beginner Friendly.13 hours
- Learn how to use Swift and SwiftUI to build iOS applications.
- Includes 26 Courses
- With Certificate
- Beginner Friendly.40 hours