#include <iostream.h>
class A
{
float m;
public:
operator float()
{
}
};
void main()
{
A obj;
float f;
f=obj;//->f=(float)obj;->f=obj.float();
}

#include <iostream.h>
class B
{
};
class A
{
public:
A(){}
A(B temp)
{
cout<<"hello"<<endl;
}
};

void main()
{
A objA;
B objB;
objA=objB;//->objA(objB);
}

#include <iostream.h>
class A
{
public:
A(){}

};
class B
{
public:
operator A()
{
cout<<"welcome"<<endl;
}
};

void main()
{
A objA;
B objB;
objA=objB;//->objA=(A)objB;
//->objA=objB.A();
}

#include <iostream.h>
class Sample
{
private:
int money;
public:
Sample()
{ money =1000; }
friend void GetMoney(Sample);
};
void GetMoney(Sample obj)
{
cout<<obj.money<<endl;
}
void main()
{
Sample s;
GetMoney(s);
}

#include <iostream.h>
class Sample;

class M
{
private:
int n;
public:
void Set(Sample);

};
class Sample
{
private:
int money;
public:
Sample()
{ money =10; }

friend void M::Set (Sample s);
void Disp()
{
cout<<money<<endl;
}
};

void M::Set(Sample obj)
{
n= obj.money ;

}

void main()
{
Sample s;
M obj;
obj.Set (s);

s.Disp ();

}