Answered: class TenNums { private: int *p;…

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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Question

class TenNums {
private:
int *p;
public:
TenNums() {
p = new int[10];
for (int i = 0; i < 10; i++) p[i] = i;
}
void display() { for (int i = 0; i < 10; i++) cout << p[i] << " "; }
};
int main() {
TenNums a;
a.display();
TenNums b = a;
b.display();
return 0;
}

Write a copy constructor for the above class TenNums. Make sure it performs deep copy.

Group of answer choices

TenNums(const TenNums& b) {
p = b.p;
}

TenNums(const TenNums& b) {
p = new int[10];
for (int i = 0; i < 10; i++) p[i] = b.p[i];
}

TenNums(const TenNums b) {
p = new int[10];
for (int i = 0; i < 10; i++) p[i] = b.p[i];
}

TenNums(const TenNums b) {
p = b.p;
}

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