JAVA

final method and abstract method

Final method: Cannot be overridden (changing implementation) 
Abstract method: is meant to be overridden 
Any method can be final whether static or non-private you can
make the as final. cannot be abstract.
constructor cannot be final you cannot declare without body

Can a method be abstract and final in abstract class

No, we cannot have abstract final methods. final methods mean 
- cannot be overridden. 
the abstract method needs to be overridden