Mega Code Archive
Use & to get object address
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#include <iostream>
class MyClass
{
public:
MyClass();
MyClass(MyClass&);
~MyClass();
int GetAge() const { return itsAge; }
void SetAge(int age) { itsAge = age; }
private:
int itsAge;
};
MyClass::MyClass()
{
std::cout << "Constructor...\n";
itsAge = 1;
}
MyClass::MyClass(MyClass&)
{
std::cout << "Copy Constructor...\n";
}
MyClass::~MyClass()
{
std::cout << "Destructor...\n";
}
const MyClass * const
FunctionTwo (const MyClass * const obj);
int main()
{
MyClass myObject;
std::cout << "myObject is ";
std::cout << myObject.GetAge() << " years old\n";
int age = 5;
myObject.SetAge(age);
std::cout << "myObject is ";
std::cout << myObject.GetAge() << " years old\n";
std::cout << "Calling FunctionTwo...\n";
FunctionTwo(&myObject);
std::cout << "myObject is ";
std::cout << myObject.GetAge() << " years old\n";
return 0;
}
const MyClass * const FunctionTwo (const MyClass * const obj)
{
std::cout << "Function Two. Returning...\n";
std::cout << "myObject is now " << obj->GetAge();
std::cout << " years old \n";
return obj;
}
Constructor...
myObject is 1 years old
myObject is 5 years old
Calling FunctionTwo...
Function Two. Returning...
myObject is now 5 years old
myObject is 5 years old
Destructor...
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