Write C++ program including all concepts

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Hi,

I want to write a c++ program including:
1. virtual function
2.static member function
3.assignment operator
4.copy constructor
5.function overloading

how to approach this?

What I have tried:

I just wrote how basically everything is implemented, but that was wrong

Posted 5-Apr-18 3:54am

Anonygeeker

Updated 6-Apr-18 0:15am

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Comments

Rick York 5-Apr-18 10:23am

One suggestion: you need to demonstrate function overloading and a virtual function so this implies you need a base class. Implement a simple base class and then derive a specialized class from it.

4 solutions

Solution 1

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.

Try it yourself, you may find it is not as difficult as you think!

If you meet a specific problem, then please ask about that and we will do our best to help. But we aren't going to do it all for you!

Posted 5-Apr-18 4:02am

OriginalGriff

Solution 2

For your homework it is important to understand these concepts of C++. I recommand this outstanding C++ tutorial site for your learning.

When you understand these concepts you will find some solution by writing some classes like that:

C++

class MyClass
{
  // 2. static member function
  static void myStaticfunction();
};
//Usage
MyClass::myStaticfunction();

Posted 5-Apr-18 4:15am

KarstenK

Solution 3

Quote:
I just wrote how basically everything is implemented, but that was wrong

We can help you to fix your code, but you need to show that code and explain where you are stuck.

Otherwise, we do not your homework.
You can't learn those concepts by have us doing the homework.
Advice: reread your lessons, read C++ book , find a tutorial.

Posted 5-Apr-18 4:25am

Patrice T

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Anonygeeker · Accepted Answer · 2018-04-06T00:17:00

What I have tried is :
#include <iostream>
using namespace std;

class base{
int a,b;
public:
base(){
cout<<"defult constr"<<endl;
}
base(int a1,int b1){
a=a1;
b=b1;
}
virtual ~base(){
cout << "base destr"<<endl;
}
void show(int s){
cout << s << endl;
}
void show(double s){
cout << s << endl;
}
void print(){
cout<< a << " " << b << endl;
}
void operator =(const base &o){
a=o.a;
b=o.b;
}
base (const base &o){
a=o.a;
b=o.b;
}
virtual void fun(){
cout<< "base class "<<endl;
}
static void sfun(){
cout << "static function"<<endl;
}
};
class derv:public base{
public:
derv(){
cout<<"default constr"<<endl;
}
~derv(){
cout << "destr derv"<< endl;
}
void fun(){
cout<< "derv class "<<endl;
}
};

int main() {
base o(1,2);
base o1(3,4);
base :: sfun();
base *b1;
base b;
derv d;
b1=&d;
d.fun();
base o2=o;
o.print();
o1.print();
o2.print();
o1=o;
o1.print();
base ov;
ov.show(10);
ov.show(100.1234);
delete b1;
return 0;
}