rakesh kumar

Posted on Mar 24, 2023 • Edited on Jul 17

swift programming language

Comprehensive Swift Programming Syllabus

Defination

1.Swift is a general-purpose, compiled programming language developed by Apple for macOS, iOS, watchOS, tvOS, and Linux

2.It is designed to work with Apple's Cocoa and Cocoa Touch frameworks and the large body of existing Objective-C code written for Apple products.
3.wift is a modern, powerful, and safe programming language that is well-suited for developing applications on Apple platforms.

Course Title

Swift Programming: From Fundamentals to Advanced Application Development

Course Duration

Recommended duration: 20–24 weeks
Total learning time: 180–220 hours
Theory: 70 hours
Guided practical work: 90 hours
Assignments and projects: 40–60 hours

Course Level

Beginner to advanced

Target Audience

This course is suitable for:

Beginners interested in Apple application development
Students learning programming
Developers moving from Java, JavaScript, C#, C++, Kotlin, or Python
Objective-C developers transitioning to Swift
iOS developers who want stronger Swift fundamentals
Software testers learning Swift-based automation
Backend developers interested in server-side Swift

Prerequisites

Learners should have:

Basic computer knowledge
Logical problem-solving ability
Familiarity with programming concepts is helpful but not mandatory
Access to a Mac for Xcode-based exercises
Basic Git knowledge is helpful but can be learned during the course

Development Tools

macOS
Xcode
Swift compiler
Swift Playgrounds
Git and GitHub
Swift Package Manager
XCTest
Swift Testing
Terminal and command-line tools

Swift Testing can be used alongside XCTest, allowing projects to adopt newer testing capabilities gradually.

Course Learning Outcomes

After completing this course, learners should be able to:

Understand Swift syntax and programming fundamentals.
Work confidently with variables, constants, collections, loops, and conditions.
Design reusable functions and modular programs.
Use optionals safely.
Create structures, classes, enumerations, protocols, and extensions.
Understand value types and reference types.
Apply object-oriented and protocol-oriented programming.
Use closures for callbacks, collection processing, and asynchronous operations.
Create reusable generic functions and types.
Handle errors using Swift’s error-handling system.
Manage asynchronous operations using async, await, tasks, and actors.
Understand data-race safety and concurrency concepts.
Read, write, encode, and decode application data.
Organize code using modules and Swift packages.
Write unit and asynchronous tests.
Apply clean coding, debugging, and performance practices.
Build complete command-line and application-support projects.

Phase 1: Swift and Programming Foundations

Module 1: Introduction to Swift

Topics

What Swift is
History and purpose of Swift
Swift for Apple platforms
Swift for command-line and server-side development
Swift compiler and runtime
Installing and using Xcode
Swift Playgrounds
Creating a command-line Swift project
Creating and running a Swift file
Understanding source files
Swift documentation
Code completion and compiler diagnostics

Practical exercises

Create a “Hello, Swift” program
Print personal information
Perform simple arithmetic
Run Swift code in a Playground
Create a command-line project in Xcode

Learning outcome

Learners can configure the Swift environment and execute basic Swift programs.

Module 2: Variables, Constants, and Data Types

Topics

Variables using var
Constants using let
Naming rules and conventions
Type inference
Explicit type annotations
Mutable and immutable values
Integer types
Floating-point types
Boolean values
Characters
Strings
Multiline strings
Unicode support
Type safety
Numeric literals
Underscores in numeric values
Type conversion
Type aliases
Tuples
Accessing tuple values
Ignoring tuple elements
Named tuples

Practical exercises

Create an employee information program
Calculate a product bill
Convert temperature values
Store user profile details
Exchange two values using tuples
Create meaningful type aliases

Assignment

Build a student marks calculator that stores:

Student name
Roll number
Subject marks
Total marks
Average
Pass or fail result

Module 3: Operators and Expressions

Topics

Assignment operator
Arithmetic operators
Remainder operator
Unary operators
Compound assignment operators
Comparison operators
Logical operators
Range operators
Closed ranges
Half-open ranges
One-sided ranges
Nil-coalescing operator
Ternary conditional operator
Operator precedence
Parentheses and expression evaluation
Overflow operators
Identity operators
Pattern-matching operator
Custom operators overview

Practical exercises

Build a basic calculator
Calculate discounts
Check age eligibility
Compare account balances
Generate number ranges
Use nil-coalescing to provide default values

Module 4: Conditions and Decision-Making

Topics

The if statement
if-else
Multiple else-if conditions
Nested conditions
Combining conditions
The switch statement
Exhaustive switch statements
Multiple matching values
Interval matching
Tuple matching
Value binding
The where clause
Compound cases
Conditional expressions
Pattern matching
if case
guard
Early exit using guard
Choosing between if, switch, and guard

Practical exercises

Grade calculation
Age-category checker
Login validation
Shipping cost calculator
Month and season detector
Role-based access checker
Loan eligibility checker

Assignment

Create an order-pricing system that calculates:

Product price
Quantity discount
Customer membership discount
Delivery charges
Tax
Final amount

Module 5: Loops and Control Flow

Topics

for-in loops
Looping through ranges
Looping through arrays
Looping through dictionaries
Looping through sets
Using enumerated()
Using stride()
while loops
repeat-while loops
Nested loops
break
continue
Labeled statements
Early exits
Infinite-loop prevention
Choosing the correct loop

Practical exercises

Multiplication-table generator
Number pattern generator
Sum of a range
Prime-number checker
Factorial calculator
Fibonacci sequence
Search within a collection
Menu-driven command-line application

Phase 2: Strings, Collections, and Functions

Module 6: Strings and Text Processing

Topics

Creating strings
Empty strings
String mutability
Concatenation
String interpolation
Characters
String indices
Accessing characters safely
Inserting and removing characters
Substrings
Comparing strings
Prefixes and suffixes
Unicode and extended grapheme clusters
Splitting strings
Joining strings
Trimming whitespace
Changing case
Searching and replacing text
Formatting output
Regular-expression introduction

Practical exercises

Username validator
Password-strength checker
Word counter
Palindrome checker
Email-format validator
Text search and replacement
URL slug generator

Module 7: Arrays

Topics

Creating arrays
Empty arrays
Type inference
Adding elements
Updating elements
Removing elements
Accessing elements safely
Array indices
Array iteration
Searching arrays
Sorting arrays
Reversing arrays
Combining arrays
Slicing arrays
Two-dimensional arrays
Arrays of custom objects
Array performance considerations

Practical exercises

Shopping cart
Student list
Task manager
Product sorting
Search suggestions
Matrix representation

Module 8: Sets and Dictionaries

Sets

Creating sets
Unique values
Adding and removing values
Set membership
Union
Intersection
Subtraction
Symmetric difference
Subset and superset relationships

Dictionaries

Key-value storage
Creating dictionaries
Reading and updating values
Default dictionary values
Removing values
Iterating through dictionaries
Keys and values
Nested dictionaries
Dictionaries containing custom types
Grouping data

Practical exercises

Unique visitor tracker
Course enrollment system
Employee directory
Word-frequency counter
Product inventory
Permissions and roles

Module 9: Functions

Topics

Function declaration
Function parameters
Return values
Functions without return values
Multiple return values
Argument labels
Omitting argument labels
Default parameters
Variadic parameters
In-out parameters
Nested functions
Function overloading
Functions as values
Functions as parameters
Functions as return values
Pure functions
Side effects
Recursive functions
Method extraction
Function documentation

Practical exercises

Reusable tax calculator
Currency-conversion function
Validation library
Sorting function
Recursive factorial
Recursive directory-style menu
Authentication helper functions

Assignment

Create a reusable utility package containing functions for:

Email validation
Password validation
Phone-number validation
Date formatting
Currency formatting
Percentage calculation

Phase 3: Optionals, Errors, and Advanced Control

Module 10: Optionals

Topics

Why optionals are needed
Declaring optional values
nil
Optional and non-optional types
Forced unwrapping
Risks of forced unwrapping
Optional binding
Multiple optional bindings
if let
guard let
Nil-coalescing
Optional chaining
Multiple-level optional chaining
Optional map
Optional flat map
Implicitly unwrapped optionals
Optionals in collections
Optional function results
Nested optionals
Avoiding unnecessary optionals

Practical exercises

Optional user profile
Safe API response processing
Optional form fields
Safe dictionary lookup
Optional address handling
Replace forced unwrapping with safe code

Best-practice objective

Learners should avoid using ! unless a value is guaranteed by the application design.

Module 11: Error Handling

Topics

Difference between errors and optionals
Defining error types
The Error protocol
Throwing functions
throws
throw
Calling throwing functions
do-catch
Multiple catch blocks
Pattern matching errors
try
try?
try!
Propagating errors
Converting errors into user-friendly messages
defer
Resource cleanup
Result type
Result<Success, Failure>
Mapping and transforming results
Typed errors and application error design
Error logging
Recoverable and non-recoverable errors

Practical exercises

Login error handling
File-reading errors
Payment-validation errors
API failure simulation
Form-validation errors
Database-style repository errors

Assignment

Build a banking transaction simulator that handles:

Invalid account
Invalid amount
Insufficient balance
Daily transaction limit
Network failure
Successful transfer

Module 12: Enumerations

Topics

Defining enumerations
Enumeration cases
Matching enum cases
Associated values
Raw values
String raw values
Integer raw values
Recursive enumerations
Enum methods
Computed properties in enums
Protocol conformance
CaseIterable
Enums for application state
Enums for errors
Enums for navigation
Enums versus strings
State-machine design

Practical exercises

User-role enum
Payment-status enum
Network-state enum
Application screen enum
Order lifecycle
Traffic-light state machine

Phase 4: Object-Oriented and Protocol-Oriented Swift

Module 13: Structures

Topics

Defining structures
Stored properties
Computed properties
Property observers
Instance methods
Mutating methods
Initializers
Memberwise initializers
Custom initializers
Value-type behaviour
Copying structures
Structures inside collections
Nested types
Static properties and methods
Choosing structures for models

Practical exercises

Product structure
User profile structure
Geographic location
Shopping-cart item
Bank account
Application configuration

Module 14: Classes

Topics

Defining classes
Properties and methods
Initializers
Deinitializers
Reference-type behaviour
Identity operators
Class inheritance
Base classes
Subclasses
Method overriding
Property overriding
Preventing overriding with final
Type methods
Required initializers
Convenience initializers
Failable initializers
Two-phase initialization
Class composition
Choosing classes over structures

Practical exercises

Employee management hierarchy
Vehicle inheritance example
User-session manager
Download manager
Media-player model
Notification service

Module 15: Structures vs Classes

Topics

Value semantics
Reference semantics
Copy behaviour
Identity
Inheritance requirements
Thread-safety considerations
Memory implications
Mutation
Choosing a structure
Choosing a class
Immutable models
Reference-sharing risks
Copy-on-write overview

Lab

Convert selected class-based models into structures and compare their behaviour.

Module 16: Properties and Methods

Topics

Stored properties
Lazy stored properties
Computed properties
Getter and setter methods
Read-only computed properties
Property observers
willSet
didSet
Type properties
Instance methods
Type methods
Mutating methods
Subscripts
Custom subscripts
Static members
Class members
Accessing self
Avoiding property side effects

Practical exercises

Temperature converter
Inventory property observer
Lazy API client
Matrix subscript
User-preference manager

Module 17: Protocols

Topics

Defining protocols
Property requirements
Method requirements
Initializer requirements
Mutating method requirements
Protocol conformance
Multiple protocol conformance
Protocol inheritance
Class-only protocols
Protocol composition
Protocols as types
Existential values
Opaque types overview
Delegation pattern
Protocol-oriented programming
Mockable service protocols
Default behaviour
Associated types
some
any
Designing small protocols
Interface segregation

Practical exercises

Payment-method protocol
Notification-service protocol
Repository protocol
Logging protocol
Authentication protocol
Delegate-based event communication
Mock API service

Assignment

Design a multi-channel notification system supporting:

Email
SMS
Push notifications
In-app notifications

Each channel should conform to a common protocol.

Module 18: Extensions

Topics

Extending structures
Extending classes
Extending enumerations
Extending protocols
Computed properties in extensions
Methods in extensions
Initializers in extensions
Subscripts in extensions
Nested types in extensions
Protocol conformance using extensions
Conditional extensions
Organizing code with extensions
Extending standard-library types
Avoiding unsafe global extensions
Naming and discoverability

Practical exercises

String validation extensions
Date-formatting extensions
Numeric formatting
Collection safe-index extension
Protocol default implementation
UIKit or SwiftUI utility extension

Module 19: Access Control and Code Organization

Topics

open
public
package
internal
fileprivate
private
Access control for properties
Access control for initializers
Access control for protocols
Module boundaries
Source-file organization
Feature-based organization
Naming conventions
API design
Documentation comments
Encapsulation
Avoiding unnecessary public APIs

Practical exercise

Refactor a single-file project into properly organized modules and source files.

Phase 5: Closures, Functional Programming, and Generics

Module 20: Closures

Topics

Closure expressions
Closure parameters
Return values
Type inference
Implicit returns
Shorthand argument names
Operator methods
Trailing closures
Multiple trailing closures
Capturing values
Capture lists
Escaping closures
Non-escaping closures
Autoclosures
Completion handlers
Callback design
Memory management in closures
Weak and unowned captures
Nested closures
Closure readability

Practical exercises

Custom sorting
Filtering products
Completion-handler API
Delayed task execution
Button-action simulation
Event handler
Download progress callback

Module 21: Functional Collection Operations

Topics

map
compactMap
flatMap
filter
reduce
reduce(into:)
sorted
forEach
first(where:)
contains(where:)
allSatisfy
prefix
dropFirst
zip
Lazy collections
Chaining operations
Avoiding excessive transformations
Imperative versus functional approaches

Practical exercises

Transform API models
Remove invalid values
Group transaction totals
Filter search results
Sort employee data
Calculate shopping-cart totals
Flatten nested arrays

Module 22: Generics

Topics

Purpose of generics
Generic functions
Generic parameters
Generic types
Type constraints
Multiple generic parameters
Generic methods
Generic structures
Generic classes
Generic enumerations
Generic protocols
Associated types
Where clauses
Conditional conformance
Generic subscripts
Opaque return types
Existential types
Type erasure introduction
Generic repository design
Reusable result containers

Practical exercises

Generic swap function
Generic stack
Generic queue
Generic API response
Generic repository
Generic cache
Generic validator

Assignment

Create a generic in-memory repository supporting:

Create
Read
Update
Delete
Search
Sorting

Module 23: Key Paths and Dynamic Features

Topics

Key-path syntax
Reading values using key paths
Writable key paths
Reference writable key paths
Key paths with collections
Generic sorting using key paths
Dynamic member lookup overview
Reflection using Mirror
Runtime type inspection
Appropriate and inappropriate uses of reflection

Practical exercise

Build a reusable sorting and filtering utility using key paths.

Phase 6: Memory Management and Performance

Module 24: Automatic Reference Counting

Topics

How ARC works
Strong references
Weak references
Unowned references
Reference cycles
Class-to-class cycles
Closure capture cycles
Capture lists
Object lifecycle
Deinitialization
Debugging memory leaks
Retain-cycle prevention
Weak delegates
Memory graph debugger
Value types and memory behaviour

Practical exercises

Create and resolve a reference cycle
Implement a weak delegate
Fix a closure capture cycle
Observe deinitialization
Use Xcode’s memory graph

Module 25: Performance Fundamentals

Topics

Time and space complexity
Value versus reference performance
Copy-on-write
Lazy sequences
Avoiding unnecessary allocations
Efficient string handling
Collection performance
Choosing arrays, sets, and dictionaries
Caching
Measuring execution time
Instruments introduction
CPU profiling
Memory profiling
Avoiding premature optimization

Practical exercise

Compare multiple implementations of search, sorting, and data transformation.

Phase 7: Data Handling and Foundation

Module 26: Foundation Framework

Topics

Date
Calendar
DateComponents
DateFormatter
NumberFormatter
Measurement
URL
URLComponents
UUID
Data
FileManager
Notifications
Timers
Locale
Time zones
Regular expressions
Common Foundation collection utilities

Practical exercises

Date calculator
Currency formatter
URL builder
Unique identifier generator
Local file manager
Scheduled timer
Local notification event simulation

Module 27: Codable and JSON

Topics

JSON fundamentals
Encodable
Decodable
Codable
JSONEncoder
JSONDecoder
Coding keys
Custom key mapping
Nested containers
Custom encoding and decoding
Date-decoding strategies
Optional JSON fields
Polymorphic decoding approaches
Handling malformed JSON
API DTOs and domain models
Mapping DTOs into application models

Practical exercises

Decode user JSON
Encode an order
Decode nested API responses
Handle missing fields
Convert snake case to camel case
Save Codable objects locally

Module 28: File Handling and Persistence Fundamentals

Topics

Reading text files
Writing text files
Working with directories
File URLs
Checking file existence
Temporary directories
Application support directories
Codable-based persistence
UserDefaults fundamentals
Keychain concept overview
Data security considerations
Error handling in file operations

Project

Build a command-line notes manager that supports:

Add note
Edit note
Delete note
Search notes
Save data locally
Load saved data on startup

Phase 8: Swift Concurrency

Module 29: Concurrency Fundamentals

Topics

Synchronous and asynchronous execution
Sequential and concurrent execution
Threads and processes
Main thread
Background work
Blocking operations
Race conditions
Deadlocks
Shared mutable state
Completion-handler-based concurrency
Introduction to structured concurrency
Cooperative cancellation

Swift’s concurrency system uses cooperative cancellation, meaning tasks must check and respond to cancellation at appropriate points.

Module 30: Async and Await

Topics

Declaring asynchronous functions
Calling functions using await
Asynchronous throwing functions
Combining async and throws
Sequential asynchronous operations
Main-thread UI updates
Converting callbacks to async/await
Continuations
Checked continuations
Unsafe continuations
Error propagation
Cancellation handling
Designing asynchronous APIs
Avoiding unnecessary tasks

Example concepts

func fetchUser() async throws -> User

let user = try await fetchUser()

Practical exercises

Simulate an asynchronous API
Load multiple resources
Handle timeout-style failures
Convert completion-handler code
Cancel an in-progress operation

Module 31: Tasks and Structured Concurrency

Topics

Creating tasks
Child tasks
Parent-child relationships
Task priority
Task cancellation
Task.sleep
async let
Task groups
Throwing task groups
Unstructured tasks
Detached tasks
Task-local values overview
Structured versus unstructured concurrency
Concurrent data fetching
Limiting concurrency

Practical exercises

Download multiple files concurrently
Fetch dashboard sections in parallel
Cancel child tasks
Aggregate task-group results
Compare sequential and parallel execution

Module 32: Actors and Data-Race Safety

Topics

Purpose of actors
Defining actors
Actor-isolated state
Accessing actor properties
Actor methods
Reentrancy
Main actor
@MainActor
Global actors
Sendable
Sendable value types
Checked and unchecked sendability
Nonisolated members
Isolation domains
Data-race prevention
Migrating shared state to actors
Strict concurrency checking
Common concurrency warnings
Designing concurrency-safe services

Swift’s modern language mode includes stronger compile-time checking intended to prevent data races, including actor-isolation and Sendable analysis.

Practical exercises

Actor-based bank account
Thread-safe cache
Main-actor ViewModel
Concurrent download manager
Fix data-race warnings
Convert a singleton service into an actor

Module 33: AsyncSequence and Streams

Topics

AsyncSequence
Asynchronous iteration
for await
AsyncStream
AsyncThrowingStream
Producing stream values
Finishing streams
Stream errors
Cancellation
Notifications as streams
Progress events
Real-time event processing
Back-pressure concepts
Stream lifecycle management

Practical exercises

Countdown stream
Download-progress stream
Notification stream
Simulated chat-message stream
Location-update simulation

Phase 9: Modules, Packages, and Reusable Code

Module 34: Swift Package Manager

Topics

Packages and modules
Creating a package
Package manifest
Products
Targets
Dependencies
Test targets
Local packages
Remote dependencies
Semantic versioning
Resource files
Platform requirements
Conditional dependencies
Package plugins overview
Package documentation
Publishing a reusable Swift package

Project

Create a reusable package containing:

Validation utilities
Date utilities
Networking support
Unit tests
Documentation

Module 35: Advanced Language Features

Topics

Custom operators
Operator precedence groups
Property wrappers
Result builders
Opaque return types
Existentials
Dynamic callable overview
Dynamic member lookup
Reflection
Macros
Freestanding macros
Attached macros
Macro expansion
When not to use advanced features

Swift macros generate or transform code at compile time and can reduce repetitive source code.

Practical exercises

Create a property wrapper for validated input
Create a reusable result builder
Inspect macro expansion
Compare generics, opaque types, and existential types

Phase 10: Testing and Code Quality

Module 36: Unit Testing with XCTest

Topics

Purpose of unit testing
Test targets
XCTestCase
Test naming
Arrange, Act, Assert
Assertions
Testing expected errors
Setup and teardown
Test isolation
Testing functions
Testing structures and classes
Testing optionals
Testing asynchronous functions
Test expectations
Performance testing
Code coverage
Test doubles
Stubs
Fakes
Spies
Mocks
Dependency injection for testing

XCTest provides lifecycle methods for preparing and cleaning test state, while asynchronous tests can directly work with Swift concurrency.

Module 37: Swift Testing

Topics

Introduction to Swift Testing
Test functions
Test suites
Expectations
Required expectations
Parameterized testing
Tags
Traits
Test organization
Testing asynchronous code
Migrating from XCTest
Running Swift Testing and XCTest together
Choosing between testing frameworks

Practical exercises

Test a price calculator
Parameterized email-validation tests
Async repository test
Error-path test
Migrate an XCTest test case

Module 38: Debugging

Topics

Understanding compiler errors
Runtime errors
Logical errors
Breakpoints
Conditional breakpoints
Symbolic breakpoints
Stepping through code
Variable inspection
LLDB basics
Stack traces
Exception breakpoints
Logging
print versus structured logging
Debug and release builds
Crash analysis
Memory graph
Thread debugging
Debugging asynchronous code

Practical exercise

Debug an intentionally broken project containing:

Optional crashes
Incorrect loops
Retain cycles
Data races
Incorrect JSON mapping
Error-handling failures

Module 39: Clean Code and Swift Style

Topics

Swift naming conventions
Meaningful names
Small functions
Single-responsibility principle
Avoiding deeply nested logic
Early returns
Avoiding force unwraps
Reducing duplication
Extracting reusable types
Protocol-based design
Composition over inheritance
Documentation comments
Code review practices
Swift API design principles
Formatting and linting
Refactoring safely
Technical-debt management

Phase 11: Design Patterns in Swift

Module 40: Common Design Patterns

Topics

Singleton
Factory
Builder
Strategy
Observer
Delegate
Adapter
Decorator
Facade
Repository
Dependency injection
Command
State
Coordinator
Dependency inversion
When patterns become unnecessary complexity

Practical exercises

Payment strategy
Notification factory
Repository-based data source
Coordinator-based navigation model
State-driven order workflow
Dependency-injected service container

Phase 12: Objective-C and Platform Interoperability

Module 41: Swift and Objective-C Interoperability

Topics

Understanding mixed-language projects
Importing Objective-C into Swift
Bridging headers
Generated Swift interfaces
Exposing Swift code to Objective-C
@objc
NSObject
Objective-C-compatible Swift types
Nullability annotations
Selectors
Delegates
C interoperability overview
Migrating Objective-C files gradually
Limitations of interoperability
Testing migrated components

Practical exercise

Integrate a small Objective-C utility into a Swift project and replace it gradually with Swift.

Phase 13: Practical Architecture

Module 42: Applying Architecture with Swift

Topics

MVC
MVVM
Clean Architecture
Repository pattern
Coordinator pattern
Dependency injection
Domain models
Data-transfer objects
Services
Use cases
ViewModels
Protocol-based boundaries
Testing architectural layers
Selecting architecture by project size
Avoiding overengineering

Project structure

Application
├── Presentation
├── Domain
├── Data
├── Services
├── Utilities
├── Resources
└── Tests

Phase 14: Capstone Projects

Project 1: Beginner Expense Tracker

Features

Add an expense
Select a category
Enter date and amount
View all expenses
Filter expenses
Calculate total spending
Store expenses in memory

Concepts covered

Variables
Conditions
Loops
Arrays
Dictionaries
Functions
Structures
Enumerations

Project 2: Student Management System

Features

Add students
Update student information
Delete students
Search students
Assign marks
Calculate grades
Save data to a JSON file
Handle invalid input

Concepts covered

Structures and classes
Codable
File handling
Errors
Optionals
Protocols
Extensions
Unit testing

Project 3: Generic Repository and Networking Simulation

Features

Generic CRUD repository
Protocol-based API service
Mock network responses
JSON decoding
Error mapping
Caching
Async/await
Unit tests

Concepts covered

Generics
Protocols
Dependency injection
Error handling
Concurrency
Testing

Project 4: Concurrent Download Manager

Features

Create download tasks
Run downloads concurrently
Display progress
Cancel downloads
Retry failed operations
Store completed results
Protect shared state
Test asynchronous behaviour

Concepts covered

Async/await
Tasks
Task groups
Actors
AsyncSequence
Cancellation
Error handling
Asynchronous testing

Final Capstone Project: Enterprise Swift Application Core

Learners should create the core programming layer for an application such as:

Booking system
Learning-management system
E-commerce application
Healthcare appointment system
Travel-management system
Employee-management system

Required components

Models using structures and enumerations
Protocol-based services
Generic repository
API simulation
JSON encoding and decoding
Local persistence
Error-handling layer
Async/await operations
Actor-protected shared state
Dependency injection
Unit tests
Package-based utility module
Documentation
Git repository

Suggested architecture

Presentation
    ↓
ViewModel
    ↓
Use Case
    ↓
Repository Protocol
    ↓
Repository Implementation
    ↓
API or Local Storage

Assessment Structure

Assessment	Weight
Weekly practical exercises	15%
Module assignments	15%
Programming quizzes	10%
Mid-course project	15%
Testing and debugging assessment	10%
Concurrency project	15%
Final capstone project	20%

Passing Criteria

Learners should:

Achieve at least 60% overall
Submit all major projects
Demonstrate correct optional handling
Demonstrate error handling
Write automated tests
Use async/await correctly
Explain value and reference semantics
Apply protocols and dependency injection
Complete a final project code review

Recommended Weekly Schedule

Weeks	Focus
1–2	Swift setup, variables, data types, operators
3–4	Conditions, loops, strings
5–6	Collections and functions
7	Optionals and error handling
8–9	Structures, classes, properties, initialization
10–11	Protocols, extensions, access control
12–13	Closures and functional programming
14	Generics and associated types
15	ARC, memory management, performance
16	Foundation, Codable, and file handling
17–18	Async/await, tasks, and cancellation
19	Actors, Sendable, and data-race safety
20	Swift Package Manager and reusable modules
21	XCTest and Swift Testing
22	Architecture and design patterns
23	Capstone development
24	Testing, documentation, review, and presentation

Suggested Daily Class Format

For a two-hour session:

Concept explanation: 30 minutes
Live coding demonstration: 30 minutes
Guided practical exercise: 40 minutes
Questions and review: 10 minutes
Assignment briefing: 10 minutes

Interview Preparation Topics

Learners should be prepared to explain:

let versus var
Value types versus reference types
Structures versus classes
Optionals and safe unwrapping
if let versus guard let
Protocols and extensions
Protocol-oriented programming
Closures and capture lists
Escaping versus non-escaping closures
Strong, weak, and unowned references
ARC and retain cycles
Generics and associated types
some versus any
Error handling
Codable
Async/await
Tasks and task groups
Actors and actor isolation
Sendable
Dependency injection
Unit testing
MVC, MVVM, and Clean Architecture

Completion Standard

A learner completing this syllabus should be able to:

Write clean and safe Swift code
Build reusable models and services
Process collections effectively
Handle missing values and errors
Design protocol-based abstractions
Build generic components
write concurrency-safe asynchronous code
Decode and persist application data
Organize code into packages and modules
Test business logic and asynchronous operations
Contribute to a professional Swift or iOS codebase