book

//exapmle  of array of object
#include<iostream>
#include<string.h>
#include<iomanip>
using namespace std;
class book
{

    int b_no;
    char author[20];
    float price;

    public:
        char title[20];

        void getdata();
        void putdata();

};
void book::getdata()
{
    cout<<"\n Enter book no: ";
    cin>>b_no;
    cout<<"\n Enter book title: ";
    cin>>title;
    cout<<"\n Enter book author: ";
    cin>>author;
    cout<<"\n Enter book price: ";
    cin>>price;

}
void book::putdata()
{
    cout<<endl<<b_no<<setw(10)<<title<<setw(10)<<author<<"\t"<< price;

}

int main()
{

    book b[3],t;
    int ch,i,temp=0;
    do
    {
        cout<<"\n Menu driven program for book application";
        cout<<"\n 1.Insert book data";
        cout<<"\n 2.Display book data";
        cout<<"\n 3.Sorting by Title";
        cout<<"\n 4.Exit";
        cout<<"\n Enter your choice: ";
        cin>>ch;
        switch(ch)
        {
            case 1:
                if(temp>=3)
                {
                    cout<<"\nonly 3 entries allowed[ insertion ]";
                }
                else
                {
                    b[temp].getdata();
                    temp++;
                }
                break;
            case 2:
                if(temp==0)
                {

                    cout<<"\n Please enter data";
                }
                else
                {
                    for(i=0;i<temp;i++)
                    {
                        b[i].putdata();
                    }
                }
            break;

            case 3://sorting by titles
                int j,df;
                for(i=0;i<temp;i++)
                {
                    if(i!=temp)
                    {
                        j=i+1;
                    }


                    while(strcmp(b[i].title,b[j].title)>=0)
                    {
                        t=b[j];
                        b[j]=b[i];
                        b[i]=t;

                    }

                }
                for(i=0;i<temp;i++)
                {
                        b[i].putdata();
                }

            break;
        }
    }while(ch>=1 && ch<=3);
    return 0;
}