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Learn C++

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Overview

LearnCpp.com is a free website devoted to teaching you how to program in C++. Whether you’ve had any prior programming experience or not, the tutorials on this site will walk you through all the steps to write, compile, and debug your C++ programs, all with plenty of examples.

Becoming an expert won’t happen overnight, but with a little patience, you’ll get there. And LearnCpp.com will show you the way.

Syllabus

  • Chapter 0: Introduction / Getting Started
    • 0.1: Introduction to these tutorials
    • 0.2: Introduction to programming languages
    • 0.3: Introduction to C/C++
    • 0.4: Introduction to C++ development
    • 0.5: Introduction to the compiler, linker, and libraries
    • 0.6: Installing an Integrated Development Environment (IDE)
    • 0.7: Compiling your first program
    • 0.8: A few common C++ problems
    • 0.9: Configuring your compiler: Build configurations
    • 0.10: Configuring your compiler: Compiler extensions
    • 0.11: Configuring your compiler: Warning and error levels
    • 0.12: Configuring your compiler: Choosing a language standard
  • Chapter 1: C++ Basics
    • 1.1: Statements and the structure of a program
    • 1.2: Comments
    • 1.3: Introduction to objects and variables
    • 1.4: Variable assignment and initialization
    • 1.5: Introduction to iostream: cout, cin, and endl
    • 1.6: Uninitialized variables and undefined behavior
    • 1.7: Keywords and naming identifiers
    • 1.8: Whitespace and basic formatting
    • 1.9: Introduction to literals and operators
    • 1.10: Introduction to expressions
    • 1.11: Developing your first program
    • 1.x: Chapter 1 summary and quiz
  • Chapter 2: C++ Basics
    • Functions and Files
    • 2.1: Introduction to functions
    • 2.2: Function return values (value-returning functions)
    • 2.3: Void functions (non-value returning functions)
    • 2.4: Introduction to function parameters and arguments
    • 2.5: Introduction to local scope
    • 2.6: Why functions are useful, and how to use them effectively
    • 2.7: Forward declarations and definitions
    • 2.8: Programs with multiple code files
    • 2.9: Naming collisions and an introduction to namespaces
    • 2.10: Introduction to the preprocessor
    • 2.11: Header files
    • 2.12: Header guards
    • 2.13: How to design your first programs
    • 2.x: Chapter 2 summary and quiz
  • Chapter 3: Debugging C++ Programs
    • 3.1: Syntax and semantic errors
    • 3.2: The debugging process
    • 3.3: A strategy for debugging
    • 3.4: Basic debugging tactics
    • 3.5: More debugging tactics
    • 3.6: Using an integrated debugger: Stepping
    • 3.7: Using an integrated debugger: Running and breakpoints
    • 3.8: Using an integrated debugger: Watching variables
    • 3.9: Using an integrated debugger: The call stack
    • 3.10: Finding issues before they become problems
    • 3.x: Chapter 3 summary and quiz
  • Chapter 4: Fundamental Data Types
    • 4.1: Introduction to fundamental data types
    • 4.2: Void
    • 4.3: Object sizes and the sizeof operator
    • 4.4: Signed integers
    • 4.5: Unsigned integers, and why to avoid them
    • 4.6: Fixed-width integers and size_t
    • 4.7: Introduction to scientific notation
    • 4.8: Floating point numbers
    • 4.9: Boolean values
    • 4.10: Introduction to if statements
    • 4.11: Chars
    • 4.12: Introduction to type conversion and static_cast
    • 4.13: Introduction to std::string
    • 4.14: Literal constants
    • 4.15: Symbolic constants: const and constexpr variables
    • 4.x: Chapter 4 summary and quiz
  • Chapter 5: Operators
    • 5.1: Operator precedence and associativity
    • 5.2: Arithmetic operators
    • 5.3: Modulus and Exponentiation
    • 5.4: Increment/decrement operators, and side effects
    • 5.5: Comma and conditional operators
    • 5.6: Relational operators and floating point comparisons
    • 5.7: Logical operators
    • 5.x: Chapter 5 summary and quiz
  • Chapter 6: Scope, Duration, and Linkage
    • 6.1: Compound statements (blocks)
    • 6.2: User-defined namespaces and the scope resolution operator
    • 6.3: Local variables
    • 6.4: Introduction to global variables
    • 6.5: Variable shadowing (name hiding)
    • 6.6: Internal linkage
    • 6.7: External linkage and variable forward declarations
    • 6.8: Why (non-const) global variables are evil
    • 6.9: Sharing global constants across multiple files (using inline variables)
    • 6.10: Static local variables
    • 6.11: Scope, duration, and linkage summary
    • 6.12: Using declarations and using directives
    • 6.13: Inline functions
    • 6.14: Constexpr and consteval functions
    • 6.15: Unnamed and inline namespaces
    • 6.x: Chapter 6 summary and quiz
  • Chapter 7: Control Flow and Error Handling
    • 7.1: Control flow introduction
    • 7.2: If statements and blocks
    • 7.3: Common if statement problems
    • 7.4: Switch statement basics
    • 7.5: Switch fallthrough and scoping
    • 7.6: Goto statements
    • 7.7: Intro to loops and while statements
    • 7.8: Do while statements
    • 7.9: For statements
    • 7.10: Break and continue
    • 7.11: Halts (exiting your program early)
    • 7.12: Introduction to testing your code
    • 7.13: Code coverage
    • 7.14: Common semantic errors in C++
    • 7.15: Detecting and handling errors
    • 7.16: std::cin and handling invalid input
    • 7.17: Assert and static_assert
    • 7.18: Introduction to random number generation
    • 7.19: Generating random numbers using Mersenne Twister
    • 7.x: Chapter 7 summary and quiz
  • Chapter 8: Type Conversion and Function Overloading
    • 8.1: Implicit type conversion (coercion)
    • 8.2: Floating-point and integral promotion
    • 8.3: Numeric conversions
    • 8.4: Arithmetic conversions
    • 8.5: Explicit type conversion (casting) and static_cast
    • 8.6: Typedefs and type aliases
    • 8.7: Type deduction for objects using the auto keyword
    • 8.8: Type deduction for functions
    • 8.9: Introduction to function overloading
    • 8.10: Function overload differentiation
    • 8.11: Function overload resolution and ambiguous matches
    • 8.12: Default arguments
    • 8.13: Function templates
    • 8.14: Function template instantiation
    • 8.15: Function templates with multiple template types
    • 8.x: Chapter 8 summary and quiz
  • Chapter 9: Compound Types: References and Pointers
    • 9.1: Introduction to compound data types
    • 9.2: Value categories (lvalues and rvalues)
    • 9.3: Lvalue references
    • 9.4: Lvalue references to const
    • 9.5: Pass by lvalue reference
    • 9.6: Introduction to pointers
    • 9.7: Null pointers
    • 9.8: Pointers and const
    • 9.9: Pass by address
    • 9.10: Pass by address (part 2)
    • 9.11: Return by reference and return by address
    • 9.12: Type deduction with pointers, references, and const
    • 9.x: Chapter 9 summary and quiz
  • Chapter 10: Compound Types: Enums and Structs
    • 10.1: Introduction to program-defined (user-defined) types
    • 10.2: Unscoped enumerations
    • 10.3: Unscoped enumeration input and output
    • 10.4: Scoped enumerations (enum classes)
    • 10.5: Introduction to structs, members, and member selection
    • 10.6: Struct aggregate initialization
    • 10.7: Default member initialization
    • 10.8: Struct passing and miscellany
    • 10.9: Member selection with pointers and references
    • 10.10: Class templates
    • 10.11: Class template argument deduction (CTAD) and deduction guides
    • 10.x: Chapter 10 summary and quiz
    • 10.y: Using a language reference
  • Chapter 11: Arrays, Strings, and Dynamic Allocation
    • 11.1: Arrays (Part I)
    • 11.2: Arrays (Part II)
    • 11.3: Arrays and loops
    • 11.4: Sorting an array using selection sort
    • 11.5: Multidimensional Arrays
    • 11.6: C-style strings
    • 11.7: An introduction to std::string_view
    • 11.8: Pointers and arrays
    • 11.9: Pointer arithmetic and array indexing
    • 11.10: C-style string symbolic constants
    • 11.12: Dynamically allocating arrays
    • 11.13: For-each loops
    • 11.14: Void pointers
    • 11.15: Pointers to pointers and dynamic multidimensional arrays
    • 11.16: An introduction to std::array
    • 11.17: An introduction to std::vector
    • 11.18: Introduction to iterators
    • 11.19: Introduction to standard library algorithms
    • 11.x: Chapter 11 comprehensive quiz
  • Chapter 12: Functions
    • 12.1: Function Pointers
    • 12.2: The stack and the heap
    • 12.3: std::vector capacity and stack behavior
    • 12.4: Recursion
    • 12.5: Command line arguments
    • 12.6: Ellipsis (and why to avoid them)
    • 12.7: Introduction to lambdas (anonymous functions)
    • 12.8: Lambda captures
    • 12.x: Chapter 12 comprehensive quiz
  • Chapter 13: Basic Object-oriented Programming
    • 13.1: Welcome to object-oriented programming
    • 13.2: Classes and class members
    • 13.3: Public vs private access specifiers
    • 13.4: Access functions and encapsulation
    • 13.5: Constructors
    • 13.6: Constructor member initializer lists
    • 13.7: Non-static member initialization
    • 13.8: Overlapping and delegating constructors
    • 13.9: Destructors
    • 13.10: The hidden “this” pointer
    • 13.11: Class code and header files
    • 13.12: Const class objects and member functions
    • 13.13: Static member variables
    • 13.14: Static member functions
    • 13.15: Friend functions and classes
    • 13.16: Anonymous objects
    • 13.17: Nested types in classes
    • 13.18: Timing your code
    • 13.x: Chapter 13 comprehensive quiz
  • Chapter 14: Operator overloading
    • 14.1: Introduction to operator overloading
    • 14.2: Overloading the arithmetic operators using friend functions
    • 14.3: Overloading operators using normal functions
    • 14.4: Overloading the I/O operators
    • 14.5: Overloading operators using member functions
    • 14.6: Overloading unary operators +, -, and !
    • 14.7: Overloading the comparison operators
    • 14.8: Overloading the increment and decrement operators
    • 14.9: Overloading the subscript operator
    • 14.10: Overloading the parenthesis operator
    • 14.11: Overloading typecasts
    • 14.12: The copy constructor
    • 14.13: Copy initialization
    • 14.14: Converting constructors, explicit, and delete
    • 14.15: Overloading the assignment operator
    • 14.16: Shallow vs. deep copying
    • 14.17: Overloading operators and function templates
    • 14.x: Chapter 14 comprehensive quiz
  • Chapter 15: Reserved for Future Reorganization
  • Chapter 16: An Introduction to Object Relationships
    • 16.1: Object relationships
    • 16.2: Composition
    • 16.3: Aggregation
    • 16.4: Association
    • 16.5: Dependencies
    • 16.6: Container classes
    • 16.7: std::initializer_list
    • 16.x: Chapter 16 comprehensive quiz
  • Chapter 17: Inheritance
    • 17.1: Introduction to inheritance
    • 17.2: Basic inheritance in C++
    • 17.3: Order of construction of derived classes
    • 17.4: Constructors and initialization of derived classes
    • 17.5: Inheritance and access specifiers
    • 17.7: Calling inherited functions and overriding behavior
    • 17.8: Hiding inherited functionality
    • 17.9: Multiple inheritance
    • 17.x: Chapter 17 comprehensive quiz
  • Chapter 18: Virtual Functions
    • 18.1: Pointers and references to the base class of derived objects
    • 18.2: Virtual functions and polymorphism
    • 18.3: The override and final specifiers, and covariant return types
    • 18.4: Virtual destructors, virtual assignment, and overriding virtualization
    • 18.5: Early binding and late binding
    • 18.6: The virtual table
    • 18.7: Pure virtual functions, abstract base classes, and interface classes
    • 18.8: Virtual base classes
    • 18.9: Object slicing
    • 18.10: Dynamic casting
    • 18.11: Printing inherited classes using operator<<
    • 18.x: Chapter 18 comprehensive quiz
  • Chapter 19: Templates and Classes
    • 19.1: Template classes
    • 19.2: Template non-type parameters
    • 19.3: Function template specialization
    • 19.4: Class template specialization
    • 19.5: Partial template specialization
    • 19.6: Partial template specialization for pointers
    • 19.x: Chapter 19 comprehensive quiz
  • Chapter 20: Exceptions
    • 20.1: The need for exceptions
    • 20.2: Basic exception handling
    • 20.3: Exceptions, functions, and stack unwinding
    • 20.4: Uncaught exceptions and catch-all handlers
    • 20.5: Exceptions, classes, and inheritance
    • 20.6: Rethrowing exceptions
    • 20.7: Function try blocks
    • 20.8: Exception dangers and downsides
    • 20.9: Exception specifications and noexcept
    • 20.x: Chapter 20 comprehensive quiz
  • Chapter M: Move Semantics and Smart Pointers
    • M.1: Intro to smart pointers and move semantics
    • M.2: R-value references
    • M.3: Move constructors and move assignment
    • M.4: std::move
    • M.5: std::move_if_noexcept
    • M.6: std::unique_ptr
    • M.7: std::shared_ptr
    • M.8: Circular dependency issues with std::shared_ptr, and std::weak_ptr
    • M.x: Chapter M comprehensive review
  • Chapter 21: The Standard Template Library
    • 21.1: The Standard Library
    • 21.2: STL containers overview
    • 21.3: STL iterators overview
    • 21.4: STL algorithms overview
  • Chapter 22: std::string
    • 22.1: std::string and std::wstring
    • 22.2: std::string construction and destruction
    • 22.3: std::string length and capacity
    • 22.4: std::string character access and conversion to C-style arrays
    • 22.5: std::string assignment and swapping
    • 22.6: std::string appending
    • 22.7: std::string inserting
  • Chapter 23: Input and Output (I/O)
    • 23.1: Input and output (I/O) streams
    • 23.2: Input with istream
    • 23.3: Output with ostream and ios
    • 23.4: Stream classes for strings
    • 23.5: Stream states and input validation
    • 23.6: Basic file I/O
    • 23.7: Random file I/O
  • Appendix A: Miscellaneous Subjects
    • A.1: Static and dynamic libraries
    • A.2: Using libraries with Visual Studio
    • A.3: Using libraries with Code::Blocks
    • A.4: C++ FAQ
  • Appendix B: C++ Updates
    • B.1: Introduction to C++11
    • B.2: Introduction to C++14
    • B.3: Introduction to C++17
    • B.4: Introduction to C++20
  • Appendix C: The End
    • C.1: The end?

Reviews

5.0 rating, based on 1 Class Central review

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  • Hamza Khan
    better platform for learning.
    you’ll learn about scope, duration, and linkage, that define the property of your code. You’ll also investigate several compound data types, like references and pointers that deal with memory addresses, along with enums and structs. With these, you’ll learn how to create dynamic arrays effectively.
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