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Tag: Swift basics

  • Swift Tutorial Roadmap

    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