1. C++: Complete the following incomplete code to a executable C++ program):[4COpen with Google Docsclass Array{int* dataPtr;int noofElements; float avg;public:// define necessary getter and setter method (s)// define other necessary method (s) to support the main ()//NO friend is ALLOWED};class ArrayOfArrays {Array* ptrToArrays;int noofArrays;public:// define method: "setArrayofArrays"// set random integers and calculate avg to the fields for// each of ptrToArrays [i] [see RUN]// define method: "showArrayofArrays"// show elements and avg as per the RUN// define method: "getAvgofAvgs"// display the average of array-averages as per the RUN//NO friend is ALLOWED};int main ()) {ArrayofArrays obj;int n = rand () 810, max = 100;// n = no of Array to be pointed by ptrToArrays in obj, i.e. noofArrays// max is the upper limit of random values for Array elements in dataPtrobj.setArrayOfArrays (n, max).showArrayofArrays () ;// Explanation of setArrayofArrays (n, max):// set-random size of each Array instances inside obj,// i.e. noofElements of obj.ptrToArrays [i], then populate them// with random integers up to max. [see sample RUN]// Beware of required multi-level memory allocation to the pointers// Explanation of showArrayofArrays ( :// display the Array instances inside obj as shown in sample RUNcout<<"Average of averages of ALL Arrays is: "<

main.cpp #include <iostream> using namespace std; class Array { int *dataPtr; // stores…

da int noofElements; float avg; public: // define necessary getter and setter method (s) // define other necessary method (s) to support th //NO friend is ALLOWED } ; class ArrayofArrays{ Array* ptrTOArrays; int noofArrays; public: // define method: "setArrayofArrays'

da int noofElements; float avg; public: // define necessary getter and setter method (s) // define other necessary method (s) to support th //NO friend is ALLOWED } ; class ArrayofArrays{ Array* ptrTOArrays; int noofArrays; public: // define method: "setArrayofArrays'

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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