Using the sizeof operator in C++

/*
 * sizeof.cpp
 *
 *  Created on: Jun 27, 2012
 *      Author: Derek
 *
 *  Some examples of using the sizeof operator
 */

#include <iostream>
using namespace std;

int main()
{
    cout << "int: " << sizeof(int) << " bytes" << endl;
    cout << "boolean: " << sizeof(bool) << " bytes" << endl;

    int a[5];

    cout << "The size of a five element int array is " << sizeof(a) << " bytes." << endl;
    cout << "The number of elements in the array 'a' is " << sizeof(a) / sizeof(int) << "." << endl;

    cout << "The size of an int pointer is " << sizeof(int*) << " bytes." << endl;
    cout << "The size of an double pointer is " << sizeof(double*) << " bytes." << endl;
}