Java Programming - Declarations and Access Control - Discussion

Discussion Forum : Declarations and Access Control - Pointing out the correct statements (Q.No. 5)

Declarations and Access Control

class A 
{ 
    A( ) { } 
} 

class B extends A 
{ }

Which statement is true?

Class B'S constructor is public.

Class B'S constructor has no arguments.

Class B'S constructor includes a call to this( ).

None of these.

Answer: Option

Explanation:

Option B is correct. Class B inherits Class A's constructor which has no arguments.

Option A is wrong. Class B inherits Class A's constructor which uses default access.

Option C is wrong. There is just no implicit call to this( ).

Discussion:

11 comments Page 2 of 2.

Vandit said: 3 years ago

@All.

Constructors are not members, so they are not inherited by subclasses, but the constructor of the superclass can be invoked from the subclass.

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