Why Super Keyword Is Used in Java?

The super keyword in Java is a reference variable which is used to refer immediate parent class object. Whenever you create the instance of subclass, an instance of parent class is created implicitly which is referred by super reference variable. ... super can be used to invoke immediate parent class method.

Why super is used in constructor?

We use super keyword to call the members of the Superclass. As a subclass inherits all the members (fields, methods, nested classes) from its parent and since Constructors are NOT members (They don't belong to objects. They are responsible for creating objects), they are NOT inherited by subclasses.

Is it necessary to use super keyword in Java?

Use of super with methods: This is used when we want to call parent class method. So whenever a parent and child class have same named methods then to resolve ambiguity we use super keyword.