Answered: Complete the PoundDog code by adding a…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Complete the PoundDog code by adding a constructor having a constructor initializer list that initializes age with 1, id with -1, and name with "NoName". Notice that MyString's default constructor does not get called.

Note: If you instead create a traditional default constructor as below, MyString's default constructor will be called, which prints output and thus causes this activity's test to fail. Try it!

// A wrong solution to this activity...

PoundDog::PoundDog() {

age = 1; id = -1;

name.SetString("NoName");

}

Here is the code:

#include <iostream>
#include <string>
using namespace std;

class MyString {
public:
MyString();
MyString(string s);
string GetString() const { return str; };
void SetString(string s) { str = s; };
private:
string str;
};

MyString::MyString() {
cout << "MyString default constructor called" << endl;
str = "";
}

MyString::MyString(string s): str(s) {
}

class PoundDog {
public:
PoundDog();
void Print() const;

private:
int age;
int id;
MyString name;
};

/*PRINT YOUR CODE HERE*/

void PoundDog::Print() const {
cout << "age: " << age << endl;
cout << "id: " << id << endl;
cout << "name: " << name.GetString() << endl;
}

int main() {
PoundDog currDog;
currDog.Print();
return 0;
}

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