The array::size() is a C++ Standard Library function which is used to get the size of the array.
Syntax:
Array_Name.size();
Parameter: The array::size() function does not accepts any parameters.
Return value: The array::size() function returns the size of the array.
Example of array::size() Function
#include <iostream>
#include <array>
using namespace std;
int main() {
array<int,0> Array_1{};
cout<<"size of Array_1: "<<Array_1.size()<<endl;
array<int,3> Array_2{};
cout<<"size of Array_2: "<<Array_2.size()<<endl;
array<int,4> Array_3{1, 2, 3};
cout<<"size of Array_3: "<<Array_3.size()<<endl;
array<int,5> Array_4{1, 2, 3, 4, 5};
cout<<"size of Array_4: "<<Array_4.size()<<endl;
return 0;
}Output
size of Array_1: 0 size of Array_2: 3 size of Array_3: 4 size of Array_4: 5
