Anything wrong with this code?

Q

Anything wrong with this code?

T *p = 0;
delete p;

Note: Typical wrong answer: Yes, the program will crash in an attempt to delete a null pointer. The candidate does not understand pointers. A very smart candidate will ask whether delete is overloaded for the class T.

✍: Guest

A

(This question has not been answered yet. If you know the answer, please share it in a comment below.)

2012-05-10, 3899👍, 0💬

What does the following code do and why would anyone write something like that?
What does the following code do and why would anyone write something like that? void send (int *to, int * from, int count) { int n = (count + 7) / 8; switch ( count % 8) { case 0: do { *to++ = *from++; case 7: *to++ = *from++; case 6: *to++ = *from++; case 5: *to++ = *from++; case 4: *to++ = *from++... 2012-05-11, 4405👍, 0💬

In the H file you see the following declaration
In the H file you see the following declaration: class Foo { void Bar( void ) const ; }; Tell me all you know about the Bar() function. 2012-05-14, 4204👍, 0💬

What’s potentially wrong with the following code?
What’s potentially wrong with the following code? long value; //some stuff value &= 0xFFFF; Note: Hint to the candidate about the base platform they’re developing for. If the person still doesn’t find anything wrong with the code, they are not experienced with C++. 2012-05-11, 4100👍, 0💬

Should BasketOfApples derive from BasketOfFruit? Why or why not?
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 BasketO... 2012-05-14, 4011👍, 0💬

You’re given a simple code for the class BankCustomer. Write the following function
You’re given a simple code for the class BankCustomer. Write the following functions: * Copy constructor * = operator overload * == operator overload * + operator overload (customers’ balances should be added up, as an example of joint account between husband and wife) Note:Anyone confusing assignme... 2012-05-08, 3924👍, 0💬

Anything wrong with this code?
Anything wrong with this code? T *p = 0; delete p; Note: Typical wrong answer: Yes, the program will crash in an attempt to delete a null pointer. The candidate does not understand pointers. A very smart candidate will ask whether delete is overloaded for the class T. 2012-05-10, 3900👍, 0💬

Consider the following struct declarations:
Consider the following struct declarations: struct A { A(){ cout << "A"; } }; struct B { B(){ cout << "B"; } }; struct C { C(){ cout << "C"; } }; struct D { D(){ cout << "D"; } }; struct E : D { E(){ cout << "E"; } }; struct F : A... 2012-05-09, 3883👍, 0💬

Anything wrong with this code?
Anything wrong with this code? T *p = new T[10]; delete p; Note: Incorrect replies: “No, everything is correct”, “Only the first element of the array will be deleted”, “The entire array will be deleted, but only the first element destructor will be called”. 2012-05-09, 3865👍, 0💬

What problems might the following macro bring to the application?
What problems might the following macro bring to the application? #define sq(x) x*x 2012-05-08, 3856👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.