#include<iostream> #include<vector> #include<cstdlib> #include<sstream> #include
ID: 3588915 • Letter: #
Question
#include<iostream>
#include<vector>
#include<cstdlib>
#include<sstream>
#include<fstream>
using namespace std;
class Animal
{
public:
Animal()
{
}
~Animal()
{
}
virtual void read(vector<string>) = 0;
virtual void write() = 0;
string getName()
{
return name;
}
string getColor()
{
return color;
}
void setName(string name)
{
this->name = name;
}
void setColor(string color)
{
this->color = color;
}
private:
string name;
string color;
};
class Dog : public Animal
{
private:
string breed;
int age;
double weight;
public:
double subtract10(double weight)
{
if (weight > 10)
return weight - 10;
else
throw exception("Weight can not be negative");
}
void read(vector<string> in)
{
//string name,string color,string breed,int age,double weight
this->setName(in[0]);
this->breed = in[1];
this->age = atoi(in[2].c_str());
this->setColor(in[3]);
this->weight = strtod(in[4].c_str(), NULL);
}
void write()
{
cout << this->getName() << " " << this->breed << " " << this->age << " " << this->getColor() << " " << subtract10(this->weight) << endl;
}
};
class Fish : public Animal
{
private:
string freshwater;
string habitat;
string predator;
public:
void read(vector<string> in)
{
this->setName(in[0]);
this->setColor(in[1]);
this->freshwater = in[2];
this->habitat = in[3];
this->predator = in[4];
}
void write()
{
cout << this->getName() << " " << this->getColor() << " " << this->freshwater << " " << this->habitat << " " << this->predator << endl;
}
};
class Horse : public Animal
{
private:
string maneColor;
int age;
double height;
public:
int add1(double h)
{
height = height + 1;
return height;
}
void read(vector<string> in)
{
this->setName(in[0]);
this->setColor(in[1]);
this->maneColor = in[2];
this->age = atoi(in[3].c_str());
this->height = strtod(in[4].c_str(), NULL);
}
void write()
{
cout << this->getName() << " " << this->getColor() << " " << this->maneColor << " " << this->age << " " << add1(this->height) << endl;
}
};
class Monkey : public Animal
{
private:
int age;
string wild;
string home;
string endangered;
public:
string changeEndangered()
{
if (endangered == "yes")
endangered = "no";
else
endangered = "yes";
return endangered;
}
void read(vector<string> in)
{
this->setName(in[0]);
this->setColor(in[1]);
this->wild = in[3];
this->age = atoi(in[2].c_str());
this->home = in[4];
this->endangered = in[5];
}
void write()
{
cout << this->getName() << " " << this->getColor() << " " << this->age << " " << this->wild << " " << this->home << " " << changeEndangered() << endl;
}
};
class Lizard : public Animal
{
private:
string habitat;
string Isprotected;
double weight;
public:
void read(vector<string> in)
{
this->setName(in[0]);
this->setColor(in[1]);
this->habitat = in[2];
this->Isprotected = in[3];
this->weight = strtod(in[4].c_str(), NULL);
}
void write()
{
cout << this->getName() << " " << this->getColor() << " " << this->habitat << " " << this->Isprotected << " " << this->weight << endl;
}
};
//tokenizer
vector<string> split(const string &s, char delim) {
stringstream ss(s);
string item;
vector<string> tokens;
while (getline(ss, item, delim)) {
tokens.push_back(item);
}
return tokens;
}
int main()
{
string line;
ifstream dog("Dog.txt");
if (dog.is_open())
{
while (getline(dog, line))
{
//cout << line << ' ';
vector<string> tokens = split(line, ', ');
Dog g;
g.read(tokens);
g.write();
}
dog.close();
}
else cout << "Unable to open file";
system("pause");
return 0;
}
Dog.txt: Max, Bulldog, 10, Brindle, 50
This is c++ program, I got some errors on Xcode, Is there someone to help me on this problem?
Explanation / Answer
Just modify the line number 97 of your program
Your code
throw exception ("weight cannot be negative");
Just replace exception word with string., Like this
throw string ("weight cannot be negative");
That is enough to make your code works
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