Final Keyword in Java
Final keyword can be used:
1.With class name 2.With method name 3.With variable name
Uses of final Keyword:
1. To prevent Inheritance: If we want to prevent a class from being inherited then we use final keyword.
2. To prevent Overriding: If we want that method should not be overridden by sub class then we use final keyword..
3. To make the value of variable as constant: If we make the variable final then this will be treated as constant its value remains unchanged.