b) Insert the missing class code.
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

Transcribed Image Text:A C++ console application and its console output are provided below. The application contains two polymorphic
classes. One of the classes is missing. Insert the missing GetSequential class definition. Do not change the program
behaviour in any way. Do not change or extend the class interface in any way.
Console output:
#include <iostream>
#include <ctime>
using namespace std;
A random number from 2 to 7:
class GetNumBase {
public:
int min, max;
virtual int NewValue() = 0;
};
class GetRandom public GetNumBase {
public:
GetRandom() {
min = 1;
max = 100;
srand(time(nullptr)); //initialize random seed
3
}
A sequential number from 2 to 7:
GetRandom(int min, int max) {
this->min = min;
this->max = max;
srand(time(nullptr)); //initialize random seed
}
virtual int NewValue() {
return rand() % (max-min+1) + min;
}//produces the next random value from min to max
};
//***INSERT MISSING CODE HERE***//
5
int main() {
GetRandom GRand (2, 7); //create an object that generates random numbers from 2 to 7
cout << "A random number from 2 to 7:\n";
for (int i=1; i<=10; i++) cout << GRand.NewValue() << endl;
GetSequential GSeq(2, 7); //create an object that generates sequential numbers from 2 to 7
cout << "A sequential number from 2 to 7:\n";
for (int i = 1; i <= 10; i++) cout << GSeq. NewValue() << endl;
}
Study the given code and console outout carefully. Figure out the program logic. Then do the following:
b) Insert the missing class code.
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3
7
5
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4
7
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3
2
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7
2
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