C++ Tutorial/Language Basics/Variable size

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Variable size: int, short, long, char, float and double

<source lang="cpp">#include <iostream>

int main()
{
    std::cout << "The size of an int is:\t\t";
    std::cout << sizeof(int) << " bytes.\n";
    std::cout << "The size of a short int is:\t"; 
    std::cout << sizeof(short) << " bytes.\n";
    std::cout << "The size of a long int is:\t";
    std::cout << sizeof(long) << " bytes.\n";
    std::cout << "The size of a char is:\t\t";
    std::cout << sizeof(char) << " bytes.\n";
    std::cout << "The size of a float is:\t\t";
    std::cout << sizeof(float) << " bytes.\n";
    std::cout << "The size of a double is:\t";
    std::cout << sizeof(double) << " bytes.\n";

    return 0;
}</source>
The size of an int is:          4 bytes.
The size of a short int is:     2 bytes.
The size of a long int is:      4 bytes.
The size of a char is:          1 bytes.
The size of a float is:         4 bytes.
The size of a double is:        8 bytes.