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in the code given below, class student has two member functions getdata() and showdata() which are defined outside the class

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//program to demonstrate example of class student with member functions defined outside the class (member functions can be referred using scope resolution operator :: #include<iostream.h> #include<conio.h> class student { int rollno; char name[20]; int clas; float marks[3]; public: void getdata(); void showdata(); }; void student::getdata() { int i; cout<<"\nenter rollno of student "; cin>>rollno; cout<<"\nenter name of student "; cin>>name; cout<<"\nenter class of student "; cin>>clas; for(i=0;i<3;i++) { cout<<"\nenter marks of student in subject "<<i+1<<" : "; cin>>marks[i]; } } void student::showdata() { int i; cout<<"\nrollno of student is "<<rollno; cout<<"\nname of student is "<<name; cout<<"\nclass of student is "<<clas; for(i=0;i<3;i++) { cout<<"\nmarks of student in subject "<<i+1<<" : "<<marks[i]; } } void main() { student ob; clrscr(); ob.getdata(); ob.showdata(); getch(); }