Correct way to initialize vector member variable

Question

// Method One
class ClassName
{
public:
    ClassName() : m_vecInts() {}

private:
    std::vector m_vecInts;
}

// Method Two
class ClassName
{
public:
    C         


        

Answer 1

You do not have to initialise it explcitly, it will be created when you create an instance of your class.