BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 11-Write a C++ Program to create a File and to display the contents of that file with line numbers.

 

Bharathiar University

Programming in C++ Lab

C++ Program 11

Write a C++ Program to create a File and to display the contents of that file with line numbers.

In this page

• C++ Source Code for MS Dos Turbo C++
• C++ Source Code for Visual studio code

Source code for Turbo C++

#include<iostream.h>

#include<fstream.h>

#include<stdio.h>

#include<string.h>

#include<conio.h>

int main()

{

    char fname[30], str[100];

    fstream fp;

    int i=0;

    clrscr();

    cout<<"Enter the Name of File: ";

    gets(fname);

    fp.open(fname, fstream::out);

    if(!fp)

    {

cout<<"\nError Occurred!";

    return 0;

    }

    cout<<"Enter the Data: ";

    gets(str);

    while(strlen(str)>0)

    {

fp<<str;

fp<<'\n';

gets(str);

    }

    fp.close();

    fp.open(fname, fstream::in);

    if(!fp)

    {

cout<<"\nError Occurred!";

return 0;

    }

    cout<<"\nContent of "<<fname<<":-\n";

    fp.getline(str, 1000);

    while(strlen(str)>0)

   {

      

     cout<<++i<<".";

     cout << str << endl;

     fp.getline(str, 1000);

   

   }

    fp.close();

    getch();

    return 0;

}

Output:

Output.txt file

Output.txt file

Source code for Visual studio code

#include<iostream>

#include<fstream>

#include<stdio.h>

#include<string.h>

using namespace std;

int main()

{

    char fname[30], str[50],ch;

    fstream fp;

    int i=0;

    cout<<"Enter the Name of File: ";

    gets(fname);

    fp.open(fname, fstream::out);

    if(!fp)

    {

        cout<<"\nError Occurred!";

        return 0;

    }

    cout<<"Enter the Data: ";

    gets(str);

    while(strlen(str)>0)

    {

        fp<<str;

        fp<<"\n";

        gets(str);

    }

    fp.close();

    fp.open(fname, fstream::in);

    if(!fp)

    {

        cout<<"\nError Occurred!";

        return 0;

    }

     cout<<"\nContent of "<<fname<<":-\n";

    fp.getline(str, 1000);

    while(strlen(str)>0)

   {

     

     cout<<++i<<".";

     cout << str << endl;

     fp.getline(str, 1000);

    

   }

   

    fp.close();

    cout<<endl;

    return 0;

}

Output:

test.txt file

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 10- Write a C++ Program to check whether the given string is a palindrome or not using pointers

 

Bharathiar University

Programming in C++ Lab

C++ Program 10

Write a C++ Program to check whether the given string is a palindrome or not using pointers

In this page

• C++ Source Code for MS Dos Turbo C++

Source code for Turbo C++

#include <iostream.h>

#include<string.h>

#include<conio.h>

int main() {

    char str[20], rev[20];

    int *n;

    clrscr();

    cout<<"Palindrome String Using Pointers"<<endl;

    cout << "Enter a string: ";

    cin>>str;

    strcpy(rev, str);

    strrev(rev);

    *n=strcmp(str, rev);

    if (*n==0)

      cout<<"String is Palindrome";

else

cout<<"String is not Palindrome";

getch();

 return 0;

}

OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 6- Write a C++ Program to create a class, which consists of EMPLOYEE Detail like E_Number, E_Name, Department, Basic_Salary and Grade. Write a member function to get and display them. Derive a class PAY from the above class and write a member function to calculate DA, HRA and PF depending on the grade.

Bharathiar University

Programming in C++ Lab

C++ Program 6

Write a C++ Program to create a class, which consists of EMPLOYEE Detail like E_Number, E_Name, Department, Basic_Salary and Grade. Write a member function to get and display them. Derive a class PAY from the above class and write a member function to calculate DA, HRA and PF depending on the grade.

In this page

• C++ Source Code for MS Dos Turbo C++
• C++ Source Code for Visual Studio Code

Source code for Turbo C++

 #include<iostream.h>

#include<conio.h>

class EMPLOYEE {

    public:

    int E_Number;

    char E_Name[50],dept[50];

    char grade;

    float basic_sal;

    void get()

    {

cout<<"Enter Employee details::"<<endl;

cout<<"Enter Employee Number: ";

cin>>E_Number;

cout<<"Enter Employee Name: ";

cin>>E_Name;

cout<<"Enter Employee department: ";

cin>>dept;

cout<<"Enter Employee Basic Salary: ";

cin>>basic_sal;

cout<<"Enter Employee Grade(A/B/C): ";

cin>>grade;

    }

    void display()

    {

cout<<"Employee Details"<<endl;

cout<<"****************"<<endl;

cout<<"Employee Number: "<<E_Number<<endl;

cout<<"Employee Name: "<<E_Name<<endl;

cout<<"Employee Department: "<<dept<<endl;

cout<<"Employee Basic salary: "<<basic_sal<<endl;

cout<<"Employee Grade: "<<grade<<endl;

    }

};

class PAY:public EMPLOYEE

{

float hra,da,pf,netsal;

    public:

    void calculate()

    {

if(grade=='A')

{

    da=0.5*basic_sal;

    hra=0.4*basic_sal;

    pf=0.1*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

else if(grade=='B')

{

     da=0.4*basic_sal;

    hra=0.3*basic_sal;

    pf=0.08*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

else

{

     da=0.3*basic_sal;

    hra=0.2*basic_sal;

    pf=0.05*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

    }

void disp_sal()

{

    cout<<"Dearness Allowance: "<<da<<endl;

    cout<<"House Rent Allowance: "<<hra<<endl;

    cout<<"Provident Fund: "<<pf<<endl;

    cout<<"Employee Net Salary: "<<netsal<<endl;

}

};

int main()

{

    PAY p;

    clrscr();

    p.get();

    p.calculate();

    p.display();

    p.disp_sal();

    getch();

return 0;

}

OUTPUT

Source code for Visual studio Code

#include<iostream>

#include<conio.h>

using namespace std;

class EMPLOYEE {

    public:

    int E_Number;

    char E_Name[50],dept[50];

    char grade;

    float basic_sal;

    void get()

    {

cout<<"Enter Employee details::"<<endl;

cout<<"Enter Employee Number: ";

cin>>E_Number;

cout<<"Enter Employee Name: ";

cin>>E_Name;

cout<<"Enter Employee department: ";

cin>>dept;

cout<<"Enter Employee Basic Salary: ";

cin>>basic_sal;

cout<<"Enter Employee Grade(A/B/C): ";

cin>>grade;

    }

    void display()

    {

cout<<"Employee Details"<<endl;

cout<<"****************"<<endl;

cout<<"Employee Number: "<<E_Number<<endl;

cout<<"Employee Name: "<<E_Name<<endl;

cout<<"Employee Department: "<<dept<<endl;

cout<<"Employee Basic salary: "<<basic_sal<<endl;

cout<<"Employee Grade: "<<grade<<endl;

    }

};

class PAY:public EMPLOYEE

{

float hra,da,pf,netsal;

    public:

    void calculate()

    {

if(grade=='A')

{

    da=0.5*basic_sal;

    hra=0.4*basic_sal;

    pf=0.1*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

else if(grade=='B')

{

     da=0.4*basic_sal;

    hra=0.3*basic_sal;

    pf=0.08*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

else

{

     da=0.3*basic_sal;

    hra=0.2*basic_sal;

    pf=0.05*(basic_sal+da);

    netsal=basic_sal+da+hra-pf;

}

    }

void disp_sal()

{

    cout<<"Dearness Allowance: "<<da<<endl;

    cout<<"House Rent Allowance: "<<hra<<endl;

    cout<<"Provident Fund: "<<pf<<endl;

    cout<<"Employee Net Salary: "<<netsal<<endl;

}

};

int main()

{

    PAY p;

    

    p.get();

    p.calculate();

    p.display();

    p.disp_sal();

    

return 0;

}

OUTPUT 

Enter Employee details::

Enter Employee Number: 101

Enter Employee Name: Raja

Enter Employee department: HR

Enter Employee Basic Salary: 15000

Enter Employee Grade(A/B/C): A

Employee Details

****************

Employee Number: 101

Employee Name: Raja

Employee Department: HR

Employee Basic salary: 15000

Employee Grade: A

Dearness Allowance: 7500

House Rent Allowance: 6000

Provident Fund: 2250

Employee Net Salary: 26250

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 4- Write a C++ Program to create a class FLOAT that contains one float data member. Overload all the four arithmetic operators so that they operate on the object FLOAT

  

Bharathiar University

Programming in C++ Lab

C++ Program 4

Write a C++ Program to create a class FLOAT that contains one float data member. Overload all the four arithmetic operators so that they operate on the object FLOAT

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include <iostream>    

#include<stdio.h>

#include<iomanip>

using namespace std;    

class FLOAT    

{    

        public: 

      float f;    

           void operator+(FLOAT ob)

       {     

              float result=f+ob.f;

              cout<<"Addition: "<<result;

              cout<<endl;

             

       } 

        void operator-(FLOAT ob)

       {     

              float result=f-ob.f;

              cout<<"Subtraction: "<<result;

             cout<<endl;

       }

        void operator*(FLOAT ob)

       {     

              float result=f*ob.f;

              cout<<"Multiplication: "<<result;

             cout<<endl;

       }

        void operator/(FLOAT ob)

       {     

              float result=f/ob.f;

              cout<<"Division: "<<setprecision(3)<<result;

             cout<<endl;

       } 

          

};    

int main()    

{    

    FLOAT ob1,ob2;

    cout << " Enter 1st float value: ";

    cin>>ob1.f;

    cout << " Enter 2nd float value: ";

    cin>>ob2.f;

    

    ob1+ob2;

    ob1-ob2;

    ob1*ob2;

    ob1/ob2;           

    return 0;    

} 

Output

Enter 1st float value: 1.5

 Enter 2nd float value: 1.3

Addition: 2.8

Subtraction: 0.2

Multiplication: 1.95

Division: 1.15

Turbo c++

#include <iostream.h>

#include<stdio.h>

#include<iomanip.h>

#include<conio.h>

class FLOAT

{

public:

      float f;

   void operator+(FLOAT ob)

       {

      float result=f+ob.f;

      cout<<"Addition: "<<result;

      cout<<endl;

       }

void operator-(FLOAT ob)

       {

      float result=f-ob.f;

      cout<<"Subtraction: "<<result;

     cout<<endl;

       }

void operator*(FLOAT ob)

       {

      float result=f*ob.f;

      cout<<"Multiplication: "<<result;

     cout<<endl;

       }

void operator/(FLOAT ob)

       {

      float result=f/ob.f;

      cout<<"Division: "<<setprecision(2)<<result;

     cout<<endl;

       }

};

int main()

{

    FLOAT ob1,ob2;

    clrscr();

    cout << " Enter 1st float value: ";

    cin>>ob1.f;

    cout << " Enter 2nd float value: ";

    cin>>ob2.f;

    ob1+ob2;

    ob1-ob2;

    ob1*ob2;

    ob1/ob2;

    getch();

    return 0;

}

OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 3 - Write a C++ Program to read an integer number and find the sum of all digits until it reduces to a single digit using constructor, destructor and inline member functions

 

Bharathiar University

Programming in C++ Lab

C++ Program 3

Write a C++ Program to read an integer number and find the sum of all digits until it reduces to a single digit using constructor, destructor and inline member functions

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include <iostream>

using namespace std;

class SumofDigits {

      

  public:

    long int n;

    SumofDigits()

    {

      n=0;

     

    }

    inline void getInteger() {

      cout << "Enter an Integer Number:";

      cin >> n;

    }

    int sum() 

    {

      int s = 0, r;

      while (n>0||s>9) {

if(n == 0)

        {

            n = s;

            s = 0;

        }

      r = n % 10;

          s = s + r;

          n = n / 10;

}

      return s;

  }

  ~SumofDigits()

  {

    cout<<"End of Program. Object Deleted";

  }

};

int main() {

  SumofDigits SD;

  int result;

   cout<<"Sum Of Digits"<<endl;

      cout<<"*************"<<endl;

  SD.getInteger();

  result = SD.sum();

  cout << "Sum of all digits of a number is " << result<<endl;

  return 0;

}

Output

Sum Of Digits

*************

Enter an Integer Number:12343

Sum of all digits of a number is 4

End of Program. Object Deleted

Turbo c++

#include <iostream.h>

#include<conio.h>

class SumofDigits {

   public:

    long int n;

    SumofDigits()

    {

n=0;

    }

    int sum();

    inline void getInteger() {

      cout << "Enter an Integer Number:";

      cin >> n;

    }

    ~SumofDigits()

  {

    cout<<"End of Program. Object Deleted";

  }

};

 int SumofDigits::sum()

    {

      int s = 0, r;

      while (n>0||s>9) {

if(n == 0)

        {

            n = s;

            s = 0;

        }

  r = n % 10;

  s = s + r;

  n = n / 10;

}

      return s;

  }

int main() {

  SumofDigits SD;

  int result;

  clrscr();

  cout<<"Sum Of Digits"<<endl;

cout<<"*************"<<endl;

  SD.getInteger();

  result = SD.sum();

  cout << "Sum of all digits of a number is " << result<<endl;

  getch();

  return 0;

}

OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 5 - Write a C++ Program to create a class STRING. Write a member function to initialize, get and display strings. Overload the operators ++ and == to concatenate two Strings and to compare two strings respectively.

 

 Bharathiar University

Programming in C++ Lab

C++ Program 5

Write a C++ Program to create a class STRING. Write a member function to initialize, get and display strings. Overload the operators ++ and == to concatenate two Strings and to compare two strings respectively.

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

Source code

#include <iostream>    

#include<string.h>

#include<stdio.h>

using namespace std;    

class STRING    

{    

        public:    

      string s;    

    

       void initialize()

       {

        s="";

    

       }    

       void get()

       {

          cin >> s;  

                   

       }

       void operator+(STRING ob)

       {     

              s.append(" "+ob.s);

              display(); 

             

       }  

       void operator==(STRING ob)

       {     

         if (s.compare(ob.s)==0)

               cout<<"Given Strings are equal"<<endl;

         else

           

                 cout<<"Strings are not equal"<<endl;

                    

       }    

       

      void display() {     

           cout<<"Concatenated String: "<<s<<endl;     

       }    

};    

int main()    

{    

    STRING ob1,ob2;

    ob1.initialize();

    ob2.initialize();

    cout << " Enter the first string: "; 

    ob1.get();

    cout << "\n Enter the second string: ";  

    ob2.get();

    ob1==ob2;

    ob1+ob2;

    

   

           

    return 0;    

}    

OUTPUT 1

Enter the first string: hello

 Enter the second string: world

Strings are not equal

Concatenated String: hello world

OUTPUT 2

 Enter the first string: hello

 Enter the second string: hello

Given Strings are equal

Concatenated String: hello hello

SOURCE CODE FOR TUBO C++(MS DOS)

#include <iostream.h>

#include <string.h>

#include<stdlib.h>

#include<conio.h>

class STRING

{

                public:

                 char s[100];

 

       void initialize()

       {

        }

       void get()

       {              

    cin >> s;

        }

       void operator+(STRING ob)

       {

 

                      strcat(s,ob.s);

                      display();

        }

       void operator==(STRING ob)

       {

                 if (strcmp(s,ob.s)==0)

                       cout<<"Given Strings are equal"<<endl;

                 else

                      cout<<"Strings are not equal"<<endl;

        }

 

      void display() {

                   cout<<"Concatenated String: "<<s<<endl;

       }

};

int main()

{

clrscr();

    STRING ob1,ob2;

     ob1.initialize();

    ob2.initialize();

    cout << " Enter the first string: ";

    ob1.get();

    cout << "\n Enter the second string: ";

    ob2.get();

    ob1==ob2;

    ob1+ob2;

    getch();

    return 0;

}   

Sample output

 

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 2 - C++ Program to Write a C++ Program to create a class ARITHMETIC which consists of a FLOAT and an INTEGER variable. Write member functions ADD(), SUB(), MUL(), DIV() to perform addition, subtraction, multiplication and division respectively. Write a member function to get and display values.

 

 Bharathiar University

Programming in C++ Lab

C++ Program 2

Write a C++ Program to create a  class ARITHMETIC which consists of a FLOAT and an INTEGER variable. Write member functions ADD(), SUB(), MUL(), DIV() to perform addition, subtraction, multiplication and division respectively. Write a member function to get and display values.

In this page

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

#include<iostream>

#include<iomanip>

using namespace std;

class Arithmetic

{

    public:

    int a,b,ans;

    float q;

    void getvalues()

    {

cout<<"Enter two numbers:";

cin>>a>>b;

    }

    void display(int result)

    {

  cout<<result<<endl;

    }

    void displayFloat(float result)

    {

  cout<<setprecision(3)<<result<<endl;

    }

    int add()

    {

ans=a+b;

return ans;

    }

    int sub()

    {

ans=a-b;

return ans;

    }

    int mul()

    {

ans=a*b;

return ans;

    }

    float div()

    {

q=a/b;

return q;

    }

};

int main()

{

    class Arithmetic arith;

    int r;

    float f;

    arith.getvalues();

    r=arith.add();

    cout<<"Addition:";

    arith.display(r);

    r=arith.sub();

    cout<<"Subtraction:";

    arith.display(r);

    r=arith.mul();

    cout<<"Multiplication:";

    arith.display(r);

    f=arith.div();

    cout<<"Division:";

    arith.displayFloat(f);

    

return 0;

}

OUTPUT

Enter two numbers:20

9

Addition:29

Subtraction:11

Multiplication:180

Division:2.22

SOURCE CODE FOR TUBO C++(MS DOS)

#include<iostream.h>

#include <iomanip.h>

#include<conio.h>

class Arithmetic

{

    public:

    int a,b,ans;

    float q;

 

    void getvalues()

    {

                cout<<"Enter two numbers:";

                cin>>a>>b;

    }

    void display(int result)

    {

                  cout<<result<<endl;

    }

    void displayFloat(float result)

    {

                  cout<<setprecision(3)<<result<<endl;

    }

    int add()

    {

                ans=a+b;

                return ans;

 

    }

    int sub()

    {

                ans=a-b;

                return ans;

 

    }

    int mul()

    {

                ans=a*b;

                return ans;

 

    }

    float div()

    {

                q=(float)a/b;

                return q;

    }

 

 

};

 

int main()

{

    class Arithmetic arith;

    int r;

    float f;

    clrscr();

    arith.getvalues();

    r=arith.add();

    cout<<"Addition:";

    arith.display(r);

    r=arith.sub();

    cout<<"Subtraction:";

    arith.display(r);

    r=arith.mul();

    cout<<"Multiplication:";

    arith.display(r);

    f=arith.div();

    cout<<"Division:";

    arith.displayFloat(f);

    getch();

    return 0;

 

}

 

 OUTPUT

BCA and B.Sc Programs - Programming in C++ Lab - Bharathiar University - Practical Program 12 - C++ Program to merge two files into single file

 

Bharathiar University

Programming in C++ Lab

C++ Program 12

Write a C++ Program to Merge Two Files into Single File

In this Page:

• C++ Source Code for Visual Studio Code
• C++ Source Code for MS Dos Turbo C++

FOR VISUAL STUDIO CODE

/*  C++ Program to Merge Two Files into a Single file  */

#include<iostream>

#include<fstream>

#include<stdio.h>

#include<stdlib.h>

using namespace std;

int main()

{

        ifstream fp1, fp2;

        ofstream fp3;

        char ch, fname1[100], fname2[100], fname3[100];

        cout<<"Enter first file name with extension: ";

        cin>>fname1;

        cout<<"\nEnter second file name with extension: ";

        cin>>fname2;

        cout<<"\nEnter target file with extension to copy: ";

        cin>>fname3;

        fp1.open(fname1);

        fp2.open(fname2);

        fp3.open(fname3); 

        if(!fp1 || !fp2 || !fp3)

        {

                perror("\nError Message in file opening ");

                exit(EXIT_FAILURE);

        }

        

        while(!fp1.eof())

        {

                fp1>>noskipws>>ch;

                fp3<<ch;

        }

        while(!fp2.eof())

        {

                fp2>>noskipws>>ch;

                fp3<<ch;

        }

        cout<<"\nThe two files were merged into "<<fname3<<" file successfully....!!\n";

        fp1.close();

        fp2.close();

        fp3.close();

        return 0;

}

OUTPUT:

Enter first file name with extension: sample1.txt

Enter second file name with extension: sample2.txt

Enter target file with extension to copy: output.txt

The two files were merged into output.txt file successfully....!!

FOR TURBO C++

/*  C++ Program to Merge Two Files into a Single file  */

 

#include<iostream.h>

#include<fstream.h>

#include<stdio.h>

#include<stdlib.h>

#include<conio.h>

int main()

{

                ifstream fp1, fp2;

                ofstream fp3;

                clrscr();

                char ch, fname1[100], fname2[100], fname3[100];

 

                cout<<"Enter first file name with extension :: ";

                cin>>fname1;

                cout<<"\nEnter second file name with extension :: ";

                cin>>fname2;

                cout<<"\nEnter third file with extension to copy :: ";

                cin>>fname3;

 

                fp1.open(fname1);

                fp2.open(fname2);

                fp3.open(fname3);

 

                if(!fp1 || !fp2 || !fp3)

                {

                                perror("\nError Message in file opening ");

                                exit(EXIT_FAILURE);

                }

 

 

                while(fp1.eof()==0)

                {

                                fp1>>ch;

                                fp3<<ch;

                }

 

                while(fp2.eof()==0)

                {

                                fp2>>ch;

                                fp3<<ch;

                }

 

                cout<<"\nThe two files were merged into "<<fname3<<" file successfully....!!\n";

 

                fp1.close();

                fp2.close();

                fp3.close();

                getch();

                return 0;

}

OUTPUT: