Thread: Interview question unsolved for long time...Plz help

Please help me with following questions

(Multiple choice)
No Points if all choices are not ticked

Code:

****   Which of the following code fragments would trigger execution of the copy constructor of MyClass?

1. MyClass  X; MyClass  Y(X);

2. MyClass  X; MyClass  Y; X=Y;

3 MyClass  X; MyClass  Y=X;

4 MyClass  fn1() 
{   static MyClass  X; 
    return  X; 
}; 
const MyClass & Y=fn1();

5 int fn1(MyClass   Y) 
{ return  1; 
}; 
int i; MyClass Z; 
i=fn1(Z);


***  Which of the following is true about default COPY constructor?
(Multiple CHoice )

1 takes no arguments
2 exists for any class
3 performs a shallow copy
4 will be executed when one object is assigned to another
5 is compiler generated