C++ dynamic array

Question

I would like to make a dynamic array of a class with a constructor that has paramaters.

Where does the constructor's size parameter go?

ex. twoDArrayInDisguise = new dynamicArray(size)*[size];

Does not work

Answer 1

You cannot do this directly (when using new[] , the default constructor is used).

Instead, use a std::vector . You can initialise each element in terms of a reference object, eg:

std::vector<T> vec(size, T(/* args */));

Answer 2

在C ++中，不能使用具有参数的构造函数动态创建类的数组！