C++ coding interview questions
C++ programming on UNIX, C++ Networking,C++ Algorithm Questions and Answers
(Continued from previous question...)
C++ coding interview questions
Given the following classes
class Fruit {
// …
}
class Apple : public Fruit {
// …
}
class Peach : public Fruit {
// …
}
// Container of fruit
class BasketOfFruit {
BasketOfFruit() ;
void insert( Fruit & f ) ;
// …
}
// Container of apples
class BasketOfApples /* ??? */ {
// …
}
Should BasketOfApples derive from BasketOfFruit?
Why or why not?
What is the general principle
that determines the answer?
----------------------------------------------
Describe briefly what the following function does.
What standard function is it most like ?
int f( char *p ) {
int n = 0 ;
while ( *p != 0 ) n = 10*n + *p++ - ‘0? ;
return n ;
}
-------------------------------------------
Describe briefly what function ‘a’ does in
the following code fragment.
struct s {
struct s *next ;
}
a( struct s *p, struct s *x ) {
while ( p->next != 0 ) p = p->next ;
p->next = x ;
x->next = 0 ;
}
--------------------------------------------
What default methods are declared implicitly
by the C++ compiler for the class below:
class Empty
{
};
-----------------------------------------------
(Continued on next question...)
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