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Tuesday, December 31, 2013

Switch/Case in C++ easiest Implementation, C++ Burger Stand Program 

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#include<iostream>
using namespace std;
void ast();
class stand
{
private:
 int bun,shami,b,s;
public:


 
void init()
 {
  cout<<"Enter the total No. of burgers "<<endl;
  cin>>bun;
  cout<<endl;
  cout<<"Enter the total No. of shami   "<<endl;
  cin>>shami;
  cout<<endl;
 }
void sale()
 {
 if(bun<=0)
   cout<<"Sorry, no stock for burger"<<endl;
 else
  {cout<<"No. of burgers sold "<<endl;
  cin>>b;
  cout<<endl;
  bun=bun-b;
  }

 if(shami<=0)
   cout<<"Sorry, no stock for shami"<<endl;
 else
  {
  cout<<"No. of shami sold "<<endl;
  cin>>s;
  cout<<endl;
  
  shami=shami-s;
  }
 }
void disp()
 {
  if(bun<=0)
   cout<<"There is no stock for burger"<<endl;
  else
  cout<<"No. of burgers left "<<bun<<endl;

  if(shami<=0)
   cout<<"There is no stock for shami"<<endl;
  else
   cout<<"No. of shami left "<<shami<<endl;}
};
void ast()
 {
  for(int i=1;i<=9;i++)
  {cout<<"*";}
 }


void main()

{
 stand s1,s2,s3,s4;
 int ch,sl;
 char c;

  
  cout<<endl;
  cout<<"welcome to the burger shop"<<endl;
  ast();
do{cout<<endl;
  cout<<"Press 1 for stand# 01."<<endl;
  cout<<"Press 2 for stand# 02."<<endl;
  cout<<"Press 3 for stand# 03."<<endl;
  cout<<"Press 4 for stand# 04."<<endl;
  cout<<"Press 5 for exit"<<endl;
  cin>>ch;
  

switch(ch)
{
  case 1:
  cout<<"Stand no 1"<<endl;
   cout<<"Press 1 for initialization"<<endl;
   cout<<"Press 2 for sale"<<endl;
   cout<<"Press 3 for display"<<endl;
   cout<<"Press 4 for main menu"<<endl;

   cin>>sl;
   switch(sl)
   {
    case 1:
    s1.init();
    break;
    case 2:
    s1.sale();break;
    case 3:
    s1.disp();break;
       default:
     cout<<"Sorry! You have enterd an Invalid Choice"<<endl;break;

   } 
   break;
   

  case 2:
   cout<<"Stand no 2"<<endl;
   cout<<"Press 1 for initialization"<<endl;
   cout<<"Press 2 for sale"<<endl;
   cout<<"Press 3 for display"<<endl;
   cout<<"Press 4 for main menu"<<endl;
   cin>>sl;
   switch(sl)
   {
    case 1:
    s2.init();break;
    case 2:
    s2.sale();break;
    case 3:
    s2.disp();break;
    
    default:
     cout<<"Sorry! You have enterd an Invalid Choice"<<endl;break;
   } 
   break;
  case 3:
   cout<<"Stand no 3"<<endl;
   cout<<"Press 1 for initialization"<<endl;
   cout<<"Press 2 for sale"<<endl;
   cout<<"Press 3 for display"<<endl;
   cout<<"Press 4 for main menu"<<endl;
   cin>>sl;
   switch(sl)
   {
    case 1:
    s3.init();break;
    case 2:
    s3.sale();break;
    case 3:
    s3.disp();break;
    
     default:
     cout<<"Sorry! You have enterd an Invalid Choice"<<endl;break;
   }
   break;
  case 4:
   cout<<"Stand no 4"<<endl;
   cout<<"Press 1 for initialization"<<endl;
   cout<<"Press 2 for sale"<<endl;
   cout<<"Press 3 for display"<<endl;
   cout<<"Press 4 for main menu"<<endl;
   cin>>sl;
   switch(sl)
   {
    case 1:
    s4.init();break;
    case 2:
    s4.sale();break;
    case 3:
    s4.disp();break;
    
   }
   break;

   case 5:
    exit(0);break;
   default: 
    {cout<<endl<<"Sorry! You have enterd an Invalid Choice";break;}

}
cout<<endl;
cout<<"Do you want to continue: (Y/N)"<<endl;
   cin>>c;
  }while(c!='n' && c!='N');
}
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