Is Iterator an Abstract Class?

Iterator is an interface. It is not a class. It is used to iterate through each and every element in a list. Iterator is implemented Iterator design pattern.

Is iterator a interface?

Iterator in Java. In Java, an Iterator is one of the Java cursors. Java Iterator is an interface that is practiced in order to iterate over a collection of Java object components entirety one by one.

Can an inherited class be abstract?

Generally, we use abstract class at the time of inheritance. A user must use the override keyword before the method which is declared as abstract in child class, the abstract class is used to inherit in the child class. An abstract class cannot be inherited by structures.