Some important programs part 2

 Some important Programs

5. Class Template: 

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

using namespace std;

template<class t1,class t2,class t3>

class addition

{

    t1 a;

    t2 b;

    t3 sum;

public:

    void getdata()

    {

        cout<<"Enter A and B values "<<endl;

        cin>>a>>b;

    }

    void showdata()

    {

        sum=a+b;

        cout<<"Sum of 2 Numbers"<<sum<<endl;

    }

};

int main()

{

    addition<int,float,float>a1;

    a1.getdata();

    a1.showdata();

    return 0;

}

6. Friend Function:

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

using namespace std;

class second;

class first

{

private:

    int a;

public:

    void get()

    {

        cout<<"enter a"<<endl;

        cin>>a;

    }

    friend void sum(first s,second v)

};

class second

{

private:

    int b;

public:

    void get()

    {

        cout<<"Enter B:"<<endl;

        cin>>b;

    }

    friend void sum(first s,second v)

};

void sum(first s,second v)

{

    int c;

    c=s.a+v.b;

    cout<<"Sum:"<<c<<endl;

}

int main()

{

    first s;

    second v;

    s.get();

    v.get();

    sum(s,v);

    return 0;

}

7. Function Overloading

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

#include<stdlib.h>

using namespace std;

#define pi 3.14

class FN

{

public:

    void area(int);

    void area(int,int);

    void area(float,int,int);

};

void FN::area(int a)

{

    cout<<"The Area of the Circle"<<3.14*a*a<<endl;

}

void FN::area(int a,int b)

{

    cout<<"Area of Rectangle"<<a*b<<endl;

}

void FN::area(float t,int a,int b)

{

    cout<<"Area of the triangle"<<t*a*b<<endl;

}

int main()

{

    int ch;

    int a,b,r;

    FN obj;

    cout<<"\t\t Function overloading in polymorphism"<<endl;

    cout<<"1. Area of circle"<<endl;

    cout<<"2. Area of Rectangle"<<endl;

    cout<<"3. Area of Triangle"<<endl;

    cout<<"4. Exit"<<endl;

    cout<<"Enter your choice"<<endl;

    cin>>ch;

    switch(ch)

    {

        case 1:

        cout<<"Enter Radius of cirle"<<endl;

        cin>>r;

        obj.area(r);

        break;

        

        case 2:

        cout<<"Enter sides of rectangle"<<endl;

        cin>>a>>b;

        obj.area(a,b);

        break;

        

        case 3:

        cout<<"Enter the sidesof triangle"<<endl;

        cin>>a>>b; 

        obj.area(0.5,a,b);

        break;

        

        case 4:

        exit(0);

    }

    return 0;

}

8. Inheritance

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

using namespace std;

class Bio

{

protected:

    char name[50];

    int age;

};

class X: public Bio

{

private:

    float height,weight;

public:

    void read()

    {

        cout<<"Enter Your Name,Age,Height,Weight"<<endl;

        cin>>name>>age>>height>>weight;

    }

    void display()

    {

        cout<<"Bio data:"<<endl;

        cout<<"Name:"<<name<<endl;

        cout<<"Age:"<<age<<endl;

        cout<<"Height:"<<height<<endl;

        cout<<"Weight:"<<weight<<endl;

    }

};

int main()

{

    X ex;

    ex.read();

    ex.display();

    return 0;

}

9. Inline functions

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

using namespace std;

class AccNum

{

private:

  long int accno;

public:

  char name[50];

  int amount;

  void input()

  {

      cout<<"Enter Your name and account Number"<<endl;

      cin>>name>>accno;

  }

  void select()

  {

      int option;

      cout<<"Enter any option 1 or 2"<<endl;

      cin>>option;

      switch(option)

      {

          case 1:

          {

              cout<<"deposit Section Here "<<endl;

              cout<<"\n Enter the amount you want to deposit"<<endl;

              cin>>amount;

              if(amount>0)

              {

                  cout<<"Your amount "<< amount << " is successfully Deposited."<<endl;

                  cout<<"Thank You! for Depositing"<<endl;

              }

              else{

                  cout<<"The Number you entered is too small"<<endl;

              }

          }

          break;

          case 2:

          {

              cout<<"WithDraw Section Here"<<endl;

              cout<<"Enter the amount you want to WithDraw"<<endl;

              cin>>amount;

              if(amount>=1)

              {

                  cout<<"Your Amount "<<amount<<" WithDrawed Successfully"<<endl;

              }

              else

              {

                  cout<<"\n Null Balnce"<<endl;

              }

          }

          break;

      }

  }

};

int main()

{

    AccNum A;

    A.input();

    A.select();

    return 0;

}

10. Pure virtual FunctionsNote: iostream.h will be used and using namespace std is removed when using this program in turbo c++

#include<iostream>

using namespace std;

class Polygon

{

protected:

        int width,height;

public:

        void setvalues(int a,int b)

        {

            width = a;

            height = b;

        }

        virtual int area()=0;

};

class Rectangle:public Polygon

{  

public:

    int area()

    {

        return(width*height);

    }

};

class Triangle:public Polygon

{  

public:

    int area()

    {

        return(width*height/2);

    }

};

int main()

{

    Rectangle rect;

    Triangle tri;

    Polygon *poly1=&rect;

    Polygon *poly2=&tri;

   

    poly1->setvalues(4,5);

    poly2->setvalues(4,5);

   

    cout<<"Rectangle:"<<poly1->area()<<endl;

      cout<<"Triangle:"<<poly2->area()<<endl;

   

    return 0;

}

Note: iostream.h will be used and using namespace std is removed when using this program in turbo c++

Note: And remaining programs will be uploaded in next parts