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This video tutorial explains the const keyword used in c++.
You will learn what is the const keyword, what is the use of it, how to create a constant variable, how to declare a variable with const,how to protect the array values using the const keyword in detail with examples.

source code for this tutorial

#include <iostream>

using namespace std;
void display(const int num[],int limit);
int main()
{
    int number[] = {22,11,44,55,66};
    display(number,5);
    return 0;
}

void display(const int num[],int limit){

for(int counter =0; counter < limit; counter++){

    cout << num[counter] << endl;
    num[counter] = 22;

}

}