why this code does not work right?????my IDE is codeblocks.The answer is diffrent than what i expect.

Question

#include <iostream>

using namespace std;

class myclass{

    double sum=0;
    public:
    void weder(double arr[],int number);
}mynewproject;

void myclass:: weder(double arr[],int number){
    for(int i=0;i<number;i++)
     sum=sum+arr[i];

     cout<<"meghdare hasel jamee tabe mibashad"<<sum<<endl;
    }

int main(){
const int os=5;
double arr2[os];

mynewproject.weder(arr2,os);

return 0;
}

Answer 1

you do't have values in your array  then how could you add that values into variable sum