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All LessonsFree Lessons (12)

Introduction

Who Should Take This Course?Terminologies Related to Programming A Bit About C++The History of C++Why Use C++?

Getting Started

Your First C++ Program Printing Styles C++ Comments Challenge: Display Text on the Console Solution Review: Display Text on the Console Challenge: Display a Right-Angle Triangle Solution Review: Display a Right-Angle Triangle Quiz

Variables and Constants

Introduction to Variables Variables in C++Identifiers in C++C++ Constants/Literals Challenge: Initialize a Variable and Overwrite its Value Solution Review: Initialize a Variable and Overwrite its Value Challenge: Swap the Values of Two Variables Solution Review: Swap the Values of Two Variables Quiz

Data Types and Input

Data Types Primitive or Fundamental Data Types Data Type Modifiers Type-Casting Strings and Escape Sequences C++ User Input Challenge: Convert Double Value into Integer Solution Review: Convert Double Value into Integer Quiz

Operators

Introduction to Operators Arithmetic Operators Assignment and Compound Assignment Operator Relational Operators Logical Operators Bitwise Operators Precedence and Associativity Challenge: Find the Previous Alphabet Solution Review: Find the Previous Alphabet Challenge: Calculate Hours, Minutes, and Seconds Solution Review: Calculate Hours, Minutes, and Seconds Challenge: Calculate the Area of the Sphere Solution Review: Calculate the Area of the Sphere Quiz

Conditional Statements

Introduction to Conditional Statements If Statement If-else Statement Nested else-if Statement Switch Statement Conditional Operator Challenge: Find the Person with the Highest Salary Solution Review: Find the Person with the Highest Salary Challenge: Check if the Given Character is an Alphabet Solution Review: Check if the Given Character is an Alphabet Challenge: Display Day of the Week Solution Review: Display Day of the Week Quiz

Loops

Introduction to Loops

while Loop in C++

break Statement

continue Statement

Challenge: Calculate the Power of a Number

Solution Review: Calculate the Power of a Number

Challenge: Find out if the Given Number is Prime

Solution Review: Find out if the Given Number is Prime

Challenge: Convert Decimal Number to Binary

Solution Review: Convert Decimal Number to Binary

Challenge: Find out if the Given Number is a Palindrome

Solution Review: Find out if the Given Number is a Palindrome

Functions

Functions in C++Declaring a Function Defining a Function Calling a Function C++ Function Parameters Pass by Value in Functions Pass by Reference in Functions Scope of Variable Accessing the Value of the Global Variable Challenge: Convert Digits from 0 to 5 into Text Solution Review: Convert Digits from 0 to 5 into Text Challenge: Set the Smallest Number to -1 Solution: Set the Smallest Number to -1 Challenge: Design a Calculator Solution Review: Design a Calculator Quiz

Recursion

What is Recursion?Structure of a Recursive Program Calculating the Factorial of a Number Recursion vs Iteration Challenge: Calculate the Power of a Number Recursively Solution Review: Calculate the Power of a Number Recursively Challenge: Count the Digits in a Number Using Recursion Solution Review: Count the Digits in a Number Using Recursion Challenge: Calculate the nth Fibonacci Number using Recursion Solution Review: Calculate nth Fibonacci Number Using Recursion Quiz

Arrays

Introduction to Arrays Creating an Array Accessing an Array Arrays and Functions Creating a Two-Dimensional Array Accessing Two-Dimensional Arrays Challenge: Calculate the Average Marks of a Class Solution Review: Calculate the Average Marks of a Class Challenge: Left Rotate Array Solution Review: Left Rotate Array Challenge: Sort Elements of an Array in Descending Order Solution Review: Sort Elements of an Array in Descending Order Challenge: Add Main Diagonal Elements in a Matrix Solution Review: Add Main Diagonal Elements in a Matrix Challenge: Multiply Two Matrices Solution Review: Multiply Two Matrices Quiz

Pointers

Computer Memory Variables and Memory Address-of Operator What is a Pointer?Dereferencing Operator Function and Pointers Challenge: Calculate the Area of a Rectangle Using Pointers Solution Review: Calculate the Area of a Rectangle Using Pointers Challenge: Calculate the Sum and Absolute Difference Solution Review: Calculate the Sum and Absolute Difference Quiz

Dynamic Memory Allocation

Types of Allocation Allocation of Dynamic Memory Deallocation of Dynamic Memory Dynamic Arrays Challenge: Set the Odd Elements in a Dynamic Array to -1 Solution Review: Set the Odd Elements in a Dynamic Array to -1 Challenge: Delete an Element at a Specific Index Solution Review: Delete an Element at a Specific Index Quiz

Structures

Introduction to Structures Defining Structure in C++Declaring Structure Variables in C++Initializing and Accessing Members of a Structure Variable in C++Array of Structures Structure and Functions Structure and Pointers Challenge: Subtract Two Complex Numbers Solution Review: Subtract Two Complex Numbers Challenge: Calculate Overall Percentage of Student's Marks Solution Review: Calculate Overall Percentage of Student's Mark Challenge: Account Number of Customers with Balance < $500 Solution Review: Account Number of Customers with Balance < $500 Quiz

Mini Project

Mini Project 1: Grayscale to Binary Image

Mini Project

Mini Project 2: Hangman Game

Mini Projects Solution

Solution: Mini Project 1 Solution: Mini Project 2

Conclusion

Appendix

Anatomy of a "Hello World!" Program Compiling a C++ program Keywords in C++

Course Assessment

C++ Exam

Learn C++: The Complete Course for Beginners/

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while Loop in C++

while Loop in C++

Get acquainted with the while loop and its basic syntax.

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Introduction

Introduction

Suppose you have $20, and the price of an ice-cream is $5. You want to keep buying the ice-cream until you have no money left. This task is repetitive, and you don’t know in advance how many ice-creams you can buy.

In the era of programming, we can use the while loop to implement repetitive tasks.

The while loop keeps executing a particular code block until the given condition is true. It does not know in advance how many times the loop body

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