//The following is a simple array class program created an answer to https://www.sololearn.com/discuss/399648/?ref=app... // Created by - Kinshuk Vasisht - 19th May 2017... //Warning - C++11 support required... //Note - There is a zero in the output which is due to call of original ctor during initialization using initializer list... #include #include using namespace std; template //Template to allow declaring an array for any data type. class Array { private: A* arr; //Our Array, as a pointer. int size; //Size variable A sum; //Arrays sum; public: Array(int s,int val=0) :size(s) { arr=new A[s]; //sets the size to s sum=0; for(int i=0;i lst): Array(lst.size()) //Initializes Array using list, and uses original constructor { int i=0;sum=0; for(const auto& l:lst) { arr[i]=l; sum+=arr[i]; i++; } cout<>arr[i]; } void print() { for(int i=0;ia={2,3,4,6}; // Initialized Array using a list, and sum is calculated in constructor and printed... a.print(); //Prints the array, along with the sum... } //0 is shown as sum before assignment of values gets printed, as by default, all values sum up to 0;

Simple Array Class