C++ for statement and Iterator for output

#include <iostream>
#include <list>
#include <algorithm>
using namespace std;
int main()//from w  ww .j a  v a  2 s .  co m
{
   int arr[] = { 2, 4, 6, 8 };
   list<int> theList;
   for(int k=0; k<4; k++)      //fill list with array elements
      theList.push_back( arr[k] );
   list<int>::iterator iter;   //iterator to list-of-ints
   for(iter = theList.begin(); iter != theList.end(); iter++)
      cout << *iter << ' ';    //display the list
   cout << endl;
   return 0;
}