Swift Tutorial Roadmap | swift | Eduzan

Introduction to Swift

Overview of Swift

Swift is a powerful, modern, and safe programming language developed by Apple for building applications on iOS, macOS, watchOS, and tvOS. It is designed to be fast, expressive, and beginner-friendly while offering high performance for production apps.

Swift Basic Syntax

Identifiers and Keywords

Swift identifiers and naming conventions
Reserved keywords and their usage

Semicolons and Whitespaces

Use of semicolons (;) in Swift
Importance of whitespaces in Swift syntax

Literals

Integer literals
Floating-point literals
String literals
Boolean literals

Comments

Single-line comments
Multi-line comments

Print Statement

Using print() to display output

Import Statements

Importing frameworks and modules

Variables and Constants

Declaring Variables and Constants

Using var for variables
Using let for constants

Data Types

Type inference in Swift
Explicit type annotations

Numeric Types

Integers
Floating-point numbers

Strings in Swift

String Basics

Creating and initializing strings

String Functions

Common string manipulation methods

Operators in Swift

Types of Operators

Arithmetic operators
Comparison operators
Logical operators
Assignment operators

Data Type Conversions in Swift

Type Conversion

Converting between different data types

String to Int Conversion

Safely converting String to Int

Control Flow

Decision-Making Statements

if statement
if-else statement
if-else-if ladder
Nested if-else
switch statement

Loops

Looping Statements

for-in loop
while loop
repeat-while loop

Break Statement

Using break to exit loops

Swift Functions

Functions Overview

Defining and calling functions

Parameters and Return Values

Function parameters
Returning values from functions

In-Out Parameters

Modifying parameters using inout

Nested Functions

Functions defined inside other functions

Function Overloading

Multiple functions with the same name

Closures in Swift

Closures Overview

Introduction to closures and their syntax

Escaping and Non-Escaping Closures

Understanding closure lifetimes and memory behavior

Swift Sets

Introduction to Sets

Creating and using sets

Set Operations

Removing the first element
Using removeAll()
Checking if an element exists
Counting elements
Sorting a set
Checking if a set is empty
Shuffling set elements

Sets vs Arrays

Differences and appropriate use cases

Swift Arrays

Arrays Overview

Creating and initializing arrays

Array Properties

Count and capacity

Common Array Operations

Removing the first element
Counting elements
Reversing arrays
Using joined()
Checking if an array contains an element
Sorting arrays
Swapping elements
Checking if an array is empty

Swift Dictionary

Dictionary Basics

Creating dictionaries
Creating empty dictionaries

Dictionary Operations

Changing values
Accessing elements
Iterating over dictionaries

Advanced Dictionary Usage

Creating a dictionary from two arrays
Removing items
Converting dictionaries to arrays

Dictionary Properties

Common dictionary properties

Swift Tuples

Tuples in Swift

Creating and using tuples

Swift Object-Oriented Programming (OOP)

Structures in Swift

Creating and using structures

Properties

Stored properties
Computed properties

Methods

Instance methods
Type methods

Function vs Method

Key differences

Deinitialization

Understanding deinitializers

Typecasting in Swift

Typecasting

Checking types at runtime
Upcasting and downcasting

Timers in Swift

Repeating Timers

Implementing repeating timers

Non-Repeating Timers

Creating one-time timers

Swift Error Handling

Errors in Swift

Error handling fundamentals

try, try?, and try!

Differences and when to use each

Additional Swift Topics

Typealias

Creating and using type aliases

Swift Structures vs C Structures

Key differences

Swift Interview Preparation

Interview Questions

Theoretical questions
Advanced coding challenges
Scenario-based questions

Swift Project Ideas

Project Ideas

Beginner-level Swift projects
Intermediate and advanced Swift project ideas