Chapter 44 Flashcards
1
Q
What is stack unwinding
A
The flow control of throw is referred as stack unwinding. Stack unwinding is more complex than return value. Return can transfer the control to calling function whereas stack unwinding can transfer the control to multiple nested functions.
2
Q
What happen in catch handler
A
The object thrown is copied to the object that is given in handler
3
Q
What is shallow copy
A
It is default copy mechanism of C++. It copies member individually. It just copy the address of pointer.
4
Q
What is deep copy
A
It is used for dynamic memory allocation.
5
Q
How we can catch more than one object in a single catch
A
- Using inheritance
- Catch every exception
6
Q
Can we group exceptions
A
Yes
7
Q
What is re-throw
A
Re-throw is a mechanism that allow us to again through the exception after partial handling
