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22. [static member access format] class name:: access member, then the member needs to be static]

2022-07-21 20:45:00 【Li is struggling】

【 Static members are available 】

#include <iostream>

using namespace std;

class Student

{

public:

  int age;

 int number;

 

 Student(int a, int nu) :age(a), number(nu) {}

 Student() {}

  void set()

 {

  cout << " Please enter the student's age and student number " << endl;

  cin >> age >> number;

 }

 static void show()

 {

  cout << " The age of the students is :" << " " << " The student number is :" << endl;

 }

};

int main()

{

 Student::show();

 return 0;

}

a255a72e87a9488292de6a9fe2ae1d39.png

【 Non static unavailable 】

 

#include <iostream>
using namespace std;
class Student
{
public:
     int age;
    int number;

    Student(int a, int nu) :age(a), number(nu) {}
    Student() {}
     void set()
    {
        cout << " Please enter the student's age and student number " << endl;
        cin >> age >> number;
    }
    static void show()
    {
        cout << " The age of the students is :" << "    " << " The student number is :"  << endl;
    }
};
int main()
{
    Student::set();
    return 0;
}

c7ce0cbc1bdf44eda137e5bd165075b5.png

 

 

 

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