C + + face question 1

1. New, delete, malloc, free relations

New/delete is the C + + operator, and delete invokes the object's destructor;

Malloc/free is a standard library function for C/s + +, free frees only memory.

2. The difference between delete and delete[]

Delete will only call a destructor, and delete[] will call the destructor for each member.

3. Compare C + + and Java

4. Advantages and disadvantages of inheritance

5. What are the properties of C + + (object-oriented characteristics)

Encapsulation, inheritance, polymorphism

C + + face question 1