Swift-Fundamentals

Hello World in Swift

Every programming journey starts with Hello World. Let’s write our first Swift program.

The Code

Create a file named hello.swift:

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print("Hello, World!")

That’s it! …

Variables and Types in Swift

May 3, 2026 swift variables types data-types

Swift’s type system is one of its defining features: static and strong, yet flexible enough that you rarely need to write types explicitly. The compiler infers types from context, catches …

Operators in Swift

May 26, 2026 swift operators expressions arithmetic

Operators are the symbols that let you compute, compare, and combine values. Swift inherits the familiar C-family operators but layers its safety-first philosophy on top of them: operators are …

Control Flow in Swift

June 11, 2026 swift control-flow conditionals loops if-else

Control flow is how a program decides what to do and how many times to do it. Swift offers a familiar set of constructs — if/else, for-in, while — but pairs them with features that reflect its …

Functions in Swift

June 28, 2026 swift functions methods subroutines

Functions are the primary building blocks of reusable logic in Swift. A function packages a piece of behavior behind a name, accepts typed inputs, and produces a typed output. Swift’s static, …

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