If I have the following class: class A{ private: int x; public: A(){ x

Question

Asked: May 31, 20262026-05-31T03:16:57+00:00 2026-05-31T03:16:57+00:00

If I have the following class:

class A{
private:
  int x;
public:
  A(){
    x = 5;
  }
};

Whats the difference between these 2 declarations?

A a;

vs.

A a();

Thanks.

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Editorial Team · Answer 1 · 2026-05-31T03:16:58+00:00

Editorial Team

A a;

This creates an object of type A and calls the default constructor.

A a();

This declares a function called a that returns an object of type A.

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