How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by … Read more
abstract
Java abstract interface
Consider an example (which compiles in java) public abstract interface Interface { public void interfacing(); public abstract boolean interfacing(boolean really); } Why is … Read more
Abstract methods in Python [duplicate]
This question already has answers here: Is it possible to make abstract classes in Python? (13 answers) Closed 3 years ago. I am … Read more
Extend data class in Kotlin
Data classes seem to be the replacement to the old-fashioned POJOs in Java. It is quite expectable that these classes would allow for … Read more
Is it possible to make abstract classes in Python?
How can I make a class or method abstract in Python? I tried redefining __new__() like so: class F: def __new__(cls): raise Exception(“Unable … Read more
Can we instantiate an abstract class?
During one of my interview, I was asked “If we can instantiate an abstract class?” My reply was “No. we can’t”. But, interviewer … Read more
What is the difference between an abstract method and a virtual method?
What is the difference between an abstract method and a virtual method? In which cases is it recommended to use abstract or virtual … Read more
Class is not Abstract and does not Override error in Java
How to reproduce that error as simply as possible: Java code: package javaapplication3; public class JavaApplication3 { public static void main(String[] args) { … Read more