Assume class B is inherited from class A. Which of the following statements is correct about construction of an object of class B?

• While creating the object firstly the constructor of class B will be called followed by constructor of class A.
• While creating the object firstly the constructor of class A will be called followed by constructor of class B.
• The constructor of only class B will be called.
• The constructor of only class A will be called.
• The order of calling constructors depends upon whether constructors in class A and class B are private or public.