slip 5

/* Slip no 5_1 : Write a C++ program to create a class Item with data members Item_Code, Item_Name, Item_Price. Write member functions to accept and display Item information also display number of objects created for a class. (Use Static data member and Static member function)         */

#include<iostream.h>

#include<conio.h>

class item

{

                int code,price;

                char i_name[20];

                static int cnt;

                public:

                void getdata()

                {

                                cout<<"\nenter item code\t\t";

                                cin>>code;

                                cout<<"\nenter item name\t\t";

                                cin>>i_name;

                                cout<<"\nenter item price\t";

                                cin>>price;

                                cnt++;

                }

                void display()

                {

                                //cout<<"\n*********************OUTPUT***********************";

                                cout<<"\n\nitem code =\t"<<code;

                                cout<<"\nitem name =\t"<<i_name;

                                cout<<"\nitem price =\t"<<price;

                }

                static void nob()

                {

                                cout<<"\n number of objects created for class are\t"<<cnt;

                }

};

int item::cnt;

void main()

{

                clrscr();

                item ob[10];

                int n;

                cout<<"\n Enter how many items : ";

                cin>>n;

                for(int i=0;i<n;i++)

                                ob[i].getdata();

                for( i=0;i<n;i++)

                                ob[i].display();

                ob[n-1].nob();

                getch();

}

/* Slip no : 5_2 Write C++ program to Create two classes Array1 and Array2 which contains data members as Integer array of a specified size. Write necessary member functions to accept and display array elements of both the classes. Find and display smallest number from both the array. (Use Friend function and Memory Management operators)                                           */

#include<conio.h>

#include<iostream.h>

class Array2;

class Array1

{

int *a;

int n1,i;

public :

void accept()

{

   cout<<"\n Enter length for first array : ";

   cin>>n1;

   a=new int[n1];

   for(i=0;i<n1;i++)

   {

      cout<<"\n Enter value : ";

      cin>>a[i];

   }

}

void display()

{

   for(i=0;i<n1;i++)

   {

      cout<<a[i]<<"\t";

   }

}

friend void smallest(Array1,Array2);

};

class Array2

{

  int *a;

  int n2,i;

  public :

  void accept1()

  {

    cout<<"\n Enter length for second array : ";

    cin>>n2;

    a=new int[n2];

    for(i=0;i<n2;i++)

    {

    cout<<"\n Enter elements : ";

    cin>>a[i];

    }

  }

  void display()

  {

    for(i=0;i<n2;i++)

    cout<<a[i]<<"\t";

  }

  friend void smallest(Array1,Array2);

};

void smallest(Array1 ob1,Array2 ob2)

{

  int s1,s2;

  int i;

  s1=ob1.a[0];

  for(i=1;i<ob1.n1;i++)

  {

     if(s1>ob1.a[i])

     {

                s1=ob1.a[i];

     }

  }

  s2=ob2.a[0];

  for(i=1;i<ob2.n2;i++)

  {

    if(s2>ob2.a[i])

    {

       s2=ob2.a[i];

    }

  }

  if(s1<s2)

  cout<<"\n smallest no = "<<s1;

  else

  cout<<"\nsmallest no = "<<s2;

}

void main()

{

  Array1 a1;

  Array2 a2;

  clrscr();

  a1.accept();

  a2.accept1();

  cout<<"\n 1st array : ";

  a1.display();

  cout<<"\n 2nd array : ";

  a2.display();

  smallest(a1,a2);

  getch();

}