Resolution Operator In Class Of C++ Prog...

C++ constructor program

#include 

#include 

class game 

{

private:

  int goals;

public:

  game() 

{

    goals = 0;

  }

  int getgoals() 

{

    return goals;

  }

  void incrementgoal() 

{

    goals++;

  }

};

int main()

 {

  game football;

  cout << "number of goals when game is started = " << football.getgoals() <

  football.incrementgoal();

  football.incrementgoal();

  cout << "number of goals a little later = " << football.getgoals() << endl;

  return 0;

}

C++ programming code

#include 

          #include 

long add(long, long);

float add(float, float);

int main()

{

   long a, b, x;

   float c, d, y;

   cout << "enter two integers\n";

   cin >> a >> b;

   x = add(a, b);

   cout << "sum of integers: " << x << endl;

   cout << "enter two floating point numbers\n";

   cin >> c >> d;

   y = add(c, d);

   cout << "sum of floats: " << y << endl;

   return 0;

}

long add(long x, long y)

{

   long sum;

   sum = x + y;

   return sum;

}

float add(float x, float y)

{

   float sum;

   sum = x + y;

   return sum;

}

C++ new operator example

#include 

#include 

int main()

{

   int n, *pointer, c;

   cout << "enter an integer\n";

   cin >> n;

   pointer = new int[n];

   cout << "enter " << n << " integers\n";

   for ( c = 0 ; c < n ; c++ )

      cin >> pointer[c];

   cout << "elements entered by you are\n";

   for ( c = 0 ; c < n ; c++ )

      cout << pointer[c] << endl;

   delete[] pointer;

   return 0;

}

Scope resolution operator in class

#include 

#include 

class programming

 {

public:

  void output(); 

 };

void programming::output() 

{

  cout << "function defined outside the class.\n";

}

int main() 

{

  programming x;

  x.output();

  return 0;

}