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Bloomberg LP Interview Question for Software Engineer / Developers


More Questions from This Interview



Comment hidden because of low score. Click to expand.
2
of 2 vote

Make dtors private

- Anonymous August 08, 2010 | Flag Reply
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0
of 0 votes

This is correct, and the explanation is, if the object is on the stack the compiler has to put a call to its dtor at the end of the scope, and that's a public call, which of course isn't allowed.

- JeffD January 23, 2012 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 vote

dont get it.

if you use new keyword which is not overloaded, then it will be created on the heap only.

- AK August 01, 2010 | Flag Reply
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0
of 0 vote

private ctors, etc. and a factory method to create the object (using new)

- Anonymous August 02, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

I think creating it as static class

- sridhar August 07, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

right ans is use Named Constructor Idiom concept

- sunny August 08, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Private constructor
Named Constructor Idiom

parashift.com/c++-faq-lite/freestore-mgmt.html#faq-16.21

- Ashish August 13, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

Make constructors private. Named Constructor Idiom.

- Richa Aggarwal November 10, 2010 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 vote

You cannot make sure. Example:

class X
{
  private:
    ~X () {}
};

void f ()
{
  char p [1000];

  X* x = new (p) X ();
}

destructor in private, but x is on stack

- Leo March 10, 2012 | Flag Reply
Comment hidden because of low score. Click to expand.
0
of 0 votes

C++ is not a policeman. You cannot even prevent from others using you private members. Example:

#define private public

// include here someone else's code --->
class X
{
private:
void f () { cout << "f" << endl; }
};
// include here someone else's code <---

#undef private

struct Y : X
{
void g ()
{
f ();
}
};

Voila - you are using other class private function!

- Leo March 10, 2012 | Flag


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