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C++ Program to maintain Student Result by using CLASS with PUBLIC & PRIVATE...

 4 years ago
source link: https://sqlwithmanoj.com/2010/01/07/c-program-to-maintain-student-result-by-using-class-with-public-private-access-specifiers-q7/
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Home > Cpp > C++ Program to maintain Student Result by using CLASS with PUBLIC & PRIVATE Access Specifiers – Q7

C++ Program to maintain Student Result by using CLASS with PUBLIC & PRIVATE Access Specifiers – Q7

Q7. Program Matrix manipulation (menu based):

Make a structure Student with following fields:
– Name
– Roll No.
– Result (Structure)
– – Total Marks Obtained
– – Max_Marks
– – Percentage

Read the list of students (At least 3) in a class.
Now compare the results of all the students and Rank top 3 students in the whole class.

… from College notes (BCA/MCA assignments):

#include <iostream.h>
#include <conio.h>
class CStud{
private:
char name[20], course[10];
char grade;
public:
int  marks;
void getinfo();
void compute();
void display();
};
void CStud :: getinfo(){
cout<<"\n Enter Name: ";
cin>>name;
cout<<"\n Enter Course: ";
cin>>course;
cout<<"\n Enter Marks Obtained (out of 500): ";
cin>> marks;
}
void CStud :: compute(){
int per;
per = marks/5;
if(per >= 80)
grade = 'A';
else if( (per < 80) && (per >= 60) )
grade = 'B';
else if( (per < 60) && (per >= 40) )
grade = 'C';
else
grade = 'D';
}
void CStud :: display(){
cout<<"\n Name: "<<name;
cout<<"\t Course: "<<course;
cout<<"\t Marks: "<<marks;
cout<<"\t Grade: "<<grade;
}
void main(){
int n = 0;
char ch;
CStud Ostu[10];             // Creating Object.
clrscr();
while(ch != 'n'){                   // Getting Information.
gotoxy(25, 1);
cout<<"-: STUDENT INFORMATION :- \n";
cout<<"\n Student No.: "<<n+1<<endl;
Ostu[n].getinfo();
Ostu[n].compute();              // Calculate Grade.
cout<<"\n Next Student (y/n): ";
cin>>ch;
n++;
clrscr();
}
// Sorting.
CStud Otemp;
for(int i=0; i<n; i++){
for(int j=i; j<n; j++){
if(Ostu[i].marks < Ostu[j].marks){
Otemp = Ostu[i];
Ostu[i] = Ostu[j];
Ostu[j] = Otemp;
}
}
}
clrscr();
gotoxy(25, 1);
cout<<"-: STUDENT'S REPORT :- ";      // Display Results.
for(i=0; i<n; i++){
cout<<"\n\n Student No.: "<<i+1;
Ostu[i].display();
}
cout<<"\n\n Press Any Key to Exit ...";
getch();
}

Output:

-: STUDENT INFORMATION :-

Student No.: 1

Enter Name: Manoj

Enter Course: MCA

Enter Marks Obtained (out of 500): 350

Next Student (y/n): y

-: STUDENT INFORMATION :-

Student No.: 2

Enter Name: Bhanu

Enter Course: MBA

Enter Marks Obtained (out of 500): 400

Next Student (y/n): n

-: STUDENT’S REPORT :-

Student No.: 1
Name: Bhanu Course: MBA Marks: 400 Grade: A

Student No.: 2
Name: Manoj Course: MCA Marks: 350 Grade: B

Press Any Key to Exit …

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