Swift Tutorial Roadmap

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

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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

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String Basics

• Creating and initializing strings

String Functions

• Common string manipulation methods

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Types of Operators

• Arithmetic operators
• Comparison operators
• Logical operators
• Assignment operators

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Type Conversion

• Converting between different data types

String to Int Conversion

• Safely converting String to Int

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Decision-Making Statements

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

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Looping Statements

• for-in loop
• while loop
• repeat-while loop

Break Statement

• Using break to exit loops

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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

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Closures Overview

• Introduction to closures and their syntax

Escaping and Non-Escaping Closures

• Understanding closure lifetimes and memory behavior

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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

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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

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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

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Tuples in Swift

• Creating and using tuples

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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

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Typecasting

• Checking types at runtime
• Upcasting and downcasting

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Repeating Timers

• Implementing repeating timers

Non-Repeating Timers

• Creating one-time timers

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Errors in Swift

• Error handling fundamentals

try, try?, and try!

• Differences and when to use each

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Typealias

• Creating and using type aliases

Swift Structures vs C Structures

• Key differences

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Interview Questions

• Theoretical questions
• Advanced coding challenges
• Scenario-based questions

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Project Ideas

• Beginner-level Swift projects
• Intermediate and advanced Swift project ideas