Why I am not able to declare the class in this program.

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I want to try making classes and objects but it's giving me some errors which I am not able to resolve. Below is my code:

C++

#include<iostream>

using namespace std;

class employee{
    int count;
    int id;
    public:
    void set(void){
        cin>>id;
    }

    void get(void){
        cout<<id;
    }
};
int main(){
    employee shivam;
    shivam.get;
    shivam.set;

return 0;}

It's giving me this error:

PS E:\code practice> cd "e:\code practice\" ; if ($?) { g++ tutt24.cpp -o tutt24 } ; if ($?) { .\tutt24 } 
tutt24.cpp: In function 'int main()':
tutt24.cpp:19:12: error: statement cannot resolve address of overloaded function
   19 |     shivam.get;
      |     ~~~~~~~^~~
tutt24.cpp:20:12: error: statement cannot resolve address of overloaded function
   20 |     shivam.set;
      |     ~~~~~~~^~~
PS E:\code practice>

What I have tried:

I changed the names of the variables and changed function names, but no change in result.

Posted 15-Dec-20 4:50am

alex bottom122323

Updated 15-Dec-20 10:51am

CPallini

v2

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jeron1 15-Dec-20 11:02am

Try changing the get and set calls to shivam.get() and shivam.set().

3 solutions

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Member 12982558 · Answer 1 · 2020-12-15T05:00:00

Solution 1

get and set are functions and need parentheses

Posted 15-Dec-20 5:00am

Member 12982558

Comments

CPallini 15-Dec-20 16:40pm

5.

Richard MacCutchan · Answer 2 · 2020-12-15T05:02:00

Solution 2

You need to use the correct syntax to access a function:

C++

shivam.get();
shivam.set();

Also it is not generally the best idea to have class functions getting console input. It is better to do that at the main level and then use set to pass the value into the object, and get to return it to the caller.

Posted 15-Dec-20 5:02am

Richard MacCutchan

Comments

CPallini 15-Dec-20 16:40pm

5.

CPallini · Answer 3 · 2020-12-15T10:51:00

As suggested, you could try a more idiomatic approach:

C++

#include<iostream>
using namespace std;

class employee
{
    int id;
    int count;

public:
    employee(int id, int count): id(id), count(count){}

    void set_count(int new_count)
    {
      count = new_count;
    }

    int get_count()
    {
      return count;
    }

    int get_id(void)
    {
      return id;
    }

};


int main()
{
    employee shivam(1,42);
    cout << shivam.get_id() << ", " << shivam.get_count() <<  "\n";
    shivam.set_count(40);
    cout << shivam.get_id() << ", " << shivam.get_count() <<  "\n";
}

Why I am not able to declare the class in this program.

3 solutions

Solution 1

Solution 2

Solution 3

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