C++ Code Example: print array elements

This program demonstrates how to print the elements of an array in C++. The array numbers is defined with 5 elements of integers. The length of the array is calculated by dividing the size of the whole array with the size of a single element of the array. The result of this division is stored in the variable arrayLength.

The for loop then iterates arrayLength times, and for each iteration, it prints the element of the numbers array at the current index (i.e., numbers[i]) followed by a new line character.

First Option

#include <iostream>
using namespace std;

int main () {
    int numbers[] = {2, 6, 4, 8, 1};
    int arrayLength = sizeof numbers / sizeof numbers[0];

    for(int i = 0; i < arrayLength; i++) {
        cout << numbers[i] << endl;
    }
}

Output

2
6
4
8
1

Second Option

#include <iostream>
using namespace std;

int main () {
    int numbers[] = {2, 6, 4, 8, 1};
    int arrayLength = end(numbers) - begin(numbers);

    cout << "Length of array: " << arrayLength << endl;

    for(int i = 0; i < arrayLength; i++) {
        cout << numbers[i] << endl;
    }
}

Output

Length of array: 5
2
6
4
8
1