C++ Program to work with Purchase Order Problem by using Pointers and CLASS with...
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C++ Program to work with Purchase Order Problem by using Pointers and CLASS with PUBLIC & PRIVATE Access Specifiers – Q10
Q10. Program to work with Purchase Order Problem:
Solve the following purchase order problem:
– Item list entry
– Bill generation
– Modify Item quantity purchased
– Remove Item from the list
… from College notes (BCA/MCA assignments):
#include <iostream.h>#include <conio.h>#include <string.h>#include <stdlib.h>class CBills{private:char name[20];int qty;float price, net;public:void Getinfo();void Modify(CBills *, int );void Remove(CBills *, int &);void Display() const;};void CBills :: Getinfo(){cout<<"\n Enter Item Name: ";cin>>name;cout<<"\n Enter Item Price: ";cin>>price;cout<<"\n Enter Item Quantity: ";cin>>qty;net = price * qty;}void CBills :: Modify(CBills *order, int no){char key[15];cout<<"\n Enter the Item Name to Modify: ";cin>>key;for(int i=0; i<=no; i++){if(strcmp(order[i].name, key) == 0)break;}cout<<"\n Enter Item Name: ";cin>>order[i].name;cout<<"\n Enter Item Price: ";cin>>order[i].price;cout<<"\n Enter Item Quantity: ";cin>>order[i].qty;order[i].net = order[i].price * order[i].qty;}void CBills :: Remove(CBills *order, int &no){char key[15];cout<<"\n Enter the Item Name to Remove: ";cin>>key;for(int i=0; i<=no; i++){if(strcmp(order[i].name, key) == 0)break;}for(int j=i; j<=no; j++)order[j] = order[j+1];no--;}void CBills :: Display() const{cout<<"\n\t Item Name: "<<name;cout<<"\n\t Item Price: "<<price;cout<<"\n\t Item Quantity: "<<qty;cout<<"\n\t Net Price: "<<net;}void main(){CBills bills[20], bl;int ch1, item_no = -1;char ch2;while(1){clrscr();cout<<"\n Inventory and Purchase Order Managament.";cout<<"\n ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";cout<<"\n 1 -> Get Item Details.";cout<<"\n 2 -> Display Items.";cout<<"\n 3 -> Modify an Item.";cout<<"\n 4 -> Remove an Item.";cout<<"\n 5 -> Exit.";cout<<"\n Enter your choice: ";cin>>ch1;switch(ch1){case 1: // Getinfo.while(1){clrscr();item_no++;cout<<"\n Entry of Purchased Items.";cout<<"\n ~~~~~~~~~~~~~~~~~~~~~~~~~";cout<<"\n Item No. "<<item_no+1;bills[item_no].Getinfo();cout<<"\n Do you want to add more (y/n): ";cin>>ch2;if(ch2 == 'n')break;}break;case 2: // Display.clrscr();cout<<"\n Purchase Order Details.";cout<<"\n ~~~~~~~~~~~~~~~~~~~~~~~"; for(int i=0; i<=item_no; i++){cout<<"\n\n Item No.: "<<i+1;bills[i].Display();}break;case 3: // Modify.bl.Modify(bills, item_no);cout<<"\n\n Record Modified.";break;case 4: // Remove.bl.Remove(bills, item_no);cout<<"\n\n Record Removed.";break;default:exit(1);} // end of switch.getch();} // end of while.} // end of main.Output:
Inventory and Purchase Order Managament.
1 -> Get Item Details.
2 -> Display Items.
3 -> Modify an Item.
4 -> Remove an Item.
5 -> Exit.
Enter your choice: 1
Entry of Purchased Items.
Item No. 1
Enter Item Name: Magazine
Enter Item Price: 100
Enter Item Quantity: 5
Do you want to add more (y/n): y
Entry of Purchased Items.
Item No. 2
Enter Item Name: Register
Enter Item Price: 50
Enter Item Quantity: 10
Do you want to add more (y/n): y
Entry of Purchased Items.
Item No. 3
Enter Item Name: Pen
Enter Item Price: 10
Enter Item Quantity: 20
Do you want to add more (y/n): n
Purchase Order Details.
Item No. Name Price Qty Net Price
1 Magazine 100 5 500
2 Register 50 10 500
3 Pen 10 20 200
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