Cpp Examples Hcf Gcd Cpp Examples Add Numbers Binary Operators Overloading Passing Parameters By References C Function Asctime Cpp Inline Functions Cpp Conditional Operator Cpp Copy Constructor Cpp Functions Cpp Strings Cpp Examples Monkey Eating Peach Cpp Data Encapsulation Cpp Examples Quadratic Roots Cpp Basic Syntax Cpp Class Access Modifiers C Function Ctime C Function Localtime Cpp Return Arrays From Function Cpp Pointers Vs Arrays Cpp Inheritance Cpp Environment Setup Cpp Comma Operator Cpp Passing Pointers To Functions Cpp Multi Dimensional Arrays Cpp Tutorial Cpp Examples Factorial Cpp Intro Cpp Member Operators Cpp Function Call By Value Cpp Loops Cpp Useful Resources Cpp Switch Cpp Decision Relational Operators Overloading Cpp Overloading Cpp Examples Swapping C Function Mktime Cpp Static Members Cpp Quiz Cpp Arrays Cpp Pointer Arithmetic Cpp Function Call By Reference Cpp Continue Statement Cpp Operators Assignment Operators Overloading Cpp This Pointer Cpp Function Call By Pointer Cpp Interfaces Cpp Pointer To Class Cpp Sizeof Operator Cpp For Loop Cpp Modifier Types C Function Gmtime Cpp Data Types Function Call Operator Overloading Returning Values By Reference Cpp Examples Even Odd Cpp Variable Scope Cpp Examples Cout Helloworld Cpp Files Streams C Function Difftime Cpp Templates Cpp Standard Library Cpp Null Pointers Cpp Nested Loops Cpp Pointers Cpp Preprocessor Cpp Goto Statement Cpp Break Statement Cpp Examples Sum Natural Number Cpp Basic Input Output Cpp Polymorphism Cpp Examples Cpp Constants Literals Class Member Access Operator Overloading Cpp Multithreading Cpp Pointer To Pointer Cpp Examples Calculator Switch Case Cpp Examples Endl Cpp Numbers Cpp Dynamic Memory C Function Strftime Cpp Pointer Operators Cpp Nested If Cpp Stl Tutorial Cpp Class Member Functions Cpp Do While Loop Cpp Casting Operators Cpp Variable Types Cpp Data Abstraction Cpp Examples Leap Year Cpp Classes Objects Cpp Examples Lcm Cpp Array Of Pointers Cpp If Cpp Constructor Destructor Cpp Examples Data Types Input Output Operators Overloading Cpp If Else Cpp Date Time Cpp Storage Classes Cpp Comments Cpp Examples Largest Number Among Three Cpp Exceptions Handling Cpp Examples Quotient Remainder Cpp Examples Prime Number Cpp Namespaces Cpp Data Structures Subscripting Operator Overloading Cpp Nested Switch Cpp Examples Pyramid Pattern Cpp Signal Handling Cpp Pointer To An Array C Function Time Increment Decrement Operators Overloading Cpp References Cpp Friend Functions Unary Operators Overloading Cpp Examples Vowel Consonant Cpp Examples Cout Cin Cpp Passing Arrays To Functions Cpp While Loop Cpp Increment Decrement Operators Cpp Web Programming Cpp Return Pointer From Functions Cpp Examples Sizeof Operator C Function Clock

sizeof(dataType);

#include <iostream>
using namespace std;

int main() 
{    
    cout << "char: " << sizeof(char) << " bytes" << endl;
    cout << "int: " << sizeof(int) << " bytes" << endl;
    cout << "float: " << sizeof(float) << " bytes" << endl;
    cout << "double: " << sizeof(double) << " bytes" << endl;

    return 0;
}

char: 1 byte
int: 4 bytes
float: 4 bytes
double: 8 bytes