What does super () do in Java?

The super() in Java is a reference variable that is used to refer parent class constructors . super can be used to call parent class’ variables and methods. super() can be used to call parent class’ constructors only.

Read more

Calling exactly super() is always redundant . It’s explicitly doing what would be implicitly done otherwise. That’s because if you omit a call to the super constructor, the no-argument super constructor will be invoked automatically anyway.

Read more