C Program to Shutdown or Turn Off the Computer in Linux

QT den Linux yada Windows ortamına komutlar gönderebiliriz .Örnegin sistemi kapatmak istersek ;

1. /*

2.  * C Program to Shutdown or Turn Off the Computer in Linux.

3.  */

4. #include 

6. int main()

7. {

8.     system("shutdown -P now");

9.     return 0;

10. }

Eğer Windowsta bilgisayarı kapatıp acmak istersek komut olarak ; "shutdown /s" komutunu gndeririz .

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QT BINARY CONVERT TO DECIMAL

#include "binary_convert.h"

#include

Binary_Convert::Binary_Convert()

{

}

void Binary_Convert::bin_con()

{

    int num,binary_val ,decimal=0,base=1,rem;

    std::cout << " Please Binary Value : ";

    std::cin>>num;

    binary_val=num;

    while(num>0)

    {

        rem=num%10;

        decimal=decimal+rem*base;

        num=num/10;

        base=base*2;

    }

    std::cout << "\n Binary Value is   : "<< binary_val;

    std::cout<<  "\n Decimal Value is  : "<< decimal;

}

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QT FRIEND FUNCTION

#include

#include

class  base

{

    int val1,val2;

   public:

    void get()

    {

       cout<<"Enter two values:";

       cin>>val1>>val2;

    }

    friend float mean(base ob);

};

float mean(base ob)

{

   return float(ob.val1+ob.val2)/2;

}

void main()

{

    clrscr();

    base obj;

    obj.get();

    cout<<"\n Mean value is : "<

    getch();

}          

Output:

Enter two values: 10, 20

Mean Value is: 15

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QT BAŞKA CLASSTAN FONKSIYON ÇAGIRMA

CLASS

#include "func.h"

#include

func::func()

{

}

void func::printmessage()

{

    std::cout << "I am a Function ";

}

----------------------------------------------------------------------------------------------------------------

ANA YAPI 

#include 
#include
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    func object;                               // CLASSTAN BİR OBJECT OLUŞTURUP CAGIRIYORUZ
    object.printmessage();    
    return a.exec();
}

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QT CONSTRUCTOR

Syntax

class class-name

{

    Access Specifier:

        Member-Variables

        Member-Functions

    public:

        class-name()

        {

            // Constructor code 

        }

         class-name(variables)

        {

            // Constructor code 

        }

        ... other Variables & Functions

}

Example Program

/*  Example Program For Simple Example Program Of Constructor Overloading In C++

    little drops @ thiyagaraaj.com

    Coded By:THIYAGARAAJ MP             */

#include

#include

using namespace std;

class Example        {

    // Variable Declaration

    int a,b;

    public:

    //Constructor wuithout Argument

    Example()            {

    // Assign Values In Constructor

    a=50;

    b=100;

    cout<<"\nIm Constructor";

    }

    //Constructor with Argument

    Example(int x,int y)            {

    // Assign Values In Constructor

    a=x;

    b=y;

    cout<<"\nIm Constructor";

    }

    void Display()    {

    cout<<"\nValues :"<

    }

};

int main()                {

        Example Object(10,20);

        Example Object2;

        // Constructor invoked.

        Object.Display();

        Object2.Display();

        // Wait For Output Screen

        getch();

        return 0;

}

Sample Output

Im Constructor

Im Constructor

Values :10      20

Values :50      100

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QT IS CAPITAL IS DIGITAL IS SMALL CHARACTER

#include "iscapital_isdigit_issmall.h"

#include

IsCapital_IsDigit_IsSmall::IsCapital_IsDigit_IsSmall()

{

    char character;

    std::cout << " Enter A Character : ";

    std::cin>>character;

    int storeAscii = character;

    std::cout << "The Ascii Value of   :    "<< character << "        is          "<< storeAscii ;

    if (storeAscii>=65 && storeAscii<=90)

      {

        std::cout<<"\nYou have entered a capital letter";

      }

      else if (storeAscii>=97 && storeAscii<=122)

      {

        std::cout<<"\nYou have entered a small letter";

      }

      else if (storeAscii>=47 && storeAscii<=57)

      {

        std::cout<<"\nYou have entered a digit ";

      }

      else if (storeAscii>=0 && storeAscii>=47

          || storeAscii>=54 && storeAscii<=64

          || storeAscii>=91 && storeAscii<=96

          || storeAscii>=123 && storeAscii<=127)

      {

        std::cout<<"\nYou have entered a special character";

      }

}

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QT FIBONACCI

#include "fibo.h"

#include

fibo::fibo()

{

   int range,first=0,second=1,tmp;

   std::cout << "Please Fibonacci Ranger : ";

   std::cin>>range;

   for(int c =0; c < range ; c++)

   {

       if(c<=1)

       {

           second = c;

       }

       else

       {

           tmp = second;

           second = first+second;

           first = tmp ;

       }

       std::cout<< second <<"  ,  \t  ";

   }

}

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