Array of Objects
/* create student class with following data members
int rno;
char nm[20];
float avg;
create an Array of Objects ( size :5 )
decide procedural abstraction ( All Possible member Function ) for String Class.
Sort Array of Objects according descending order of avg marks.
Display Result in tabular Format before and after sorting.
*/
#include<iostream>
using namespace std;
#include <string.h>
class Student
{
int rno;
char nm[20];
float avg;
public:
Student():rno(0),avg(0)
{
nm[0]=0;
}
Student(int no, char *name, float av):rno(no),avg(av)
{
strcpy(nm, name);
}
int Get_rno()
{
return rno;
}
void GetName(char* name)
{
strcpy(name, nm);
}
float Get_avg()
{
return avg;
}
void acceptStudentData()
{
cout<<"Enter Student roll: ";
cin>>this->rno;
cout<<"Enter Student name: ";
cin>>this->nm;
cout<<"Enter Student avg: ";
cin>>this->avg;
}
void Sort(Student* arr)
{
}
void Display()
{
cout<<"roll "<<this->rno<<" name: "<<this->nm<<" avg:"<<avg<<endl;
}
};
void bubble_sort(Student arr[])
{
int n= 5;
for(int i = 0; i<n; ++i)
{
for (int j= 0;j <n-1; ++j)
{
if (arr[j].Get_avg() >arr[j+1].Get_avg())
{
Student temp = arr[j];
arr[j] = arr[j+1];
arr[j+1]= temp;
}
}
}
}
int main()
{
//bubble_sort();
int i=0;
Student arr[5];
for (i=0; i<5; ++i)
{
arr[i].acceptStudentData();
}
cout<<"\nbefore sort:\n";
for (i=0; i<5; ++i)
{
arr[i].Display();
}
bubble_sort(arr);
cout<<"after sort: \n";
for (i=0; i<5; ++i)
{
arr[i].Display();
}
}
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