Q30.webp

Question: 30
(Choose 1 answer)
Which code correctly declares a basic 'LinkedList' class in C++?
A. class LinkedList {
public:
};
Node* head;
LinkedList() head(nullptr) {}
B. class LinkedList {
public:
Node head;
LinkedList() head (0){}
};
C. class LinkedList {
public:
};
Node* head;
LinkedList() head(0){}
D. class LinkedList {
public:
Node head;
LinkedList() head(nullptr) {}
};