Abstraction in java

Abstraction: The process of showing only essential things & hiding the background details / inner details. Ex: We can handle TV, Washing machine, AC, Vehicles & ATM card yet we don’t have the knowledge of their inner operations. Abstract Class: A class which contains the abstract keyword in its declaration is known as abstract class.

NON ACCESS MODIFIERS – FINAL

What is non access modifiers? Access Modifiers provides Access Control. Non-Access Modifiers have nothing to do with accessibility. But it is used to restricts the modification of class/variable/methods. Below are the Non Access Modifiers available in Java. Final Abstract Static FINAL – Non Access Modifier Keyword : final Applicability: Variable Methods Class FINAL VARIABLE When