Interested to Buy Any Domain ? << Click Here >> for more details...
What is difference between abstract class & final class
- 7 Answers
- 26804 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
1)abstrat class is just a incomplete class mean to say you
only declare a method when some class extends this abstart
class then it adds some facility in this class when you
define the method body those inherited from the abstract
class.
2)but the fianl class you cn't able to add the new
functionality to this class because extnd the class its not
just mean to make child clss but to means to facilitate
this class with some aditive coding .so means to say that
its complete class you don't able to add new functionality
in this class and you never extends this class .
thanks amit singh
amitsing2008@gmail.com
| Is This Answer Correct ? | 29 Yes | 3 No |
Answer / amit saxena
Abstract class is the one which is suppose to be extended
but
when we declare a class as final, we cannot extend it.
| Is This Answer Correct ? | 30 Yes | 8 No |
Answer / rajabhau
abstract class can not instantiate.
abstract class can not create abstract constructor or static method.abstract class must be inherited. and vice versa final class.
| Is This Answer Correct ? | 25 Yes | 14 No |
Answer / guest
abstract class is a class that has no direct instance in
the system but final class is a class in which we found the
correct answer
| Is This Answer Correct ? | 16 Yes | 12 No |
Answer / shivshankar gupta
1.final class is variable but abstract class not a variable
2.abstract method declare public and default but final class declare public...
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / pallavi
An abstract class is one which can't be instantiated, as it
contains one or more abstract methods( methods that are
only declared, their implementation is left for
subclasses).An abstract class always needs to be extended
in order to be used.
A Final class is one which can't be extended/inherited.
| Is This Answer Correct ? | 11 Yes | 8 No |
Answer / farhad
A final class CANNOT be extended or subclassed however it can be instantiated:
final class A{
}
class B{
A a = new A(); //<<< instantiating final class A
We cannot say:
class B extends A //!!! that's a NO NO.
On the other hand abstract class can be subclassed but CANNOT be instantiated.
abstract class A{
}
class B extends A{
}
| Is This Answer Correct ? | 9 Yes | 6 No |
What is garbage collection? Can it be forced to run?
What is currentthread()?
What is anagram number?
How are the elements of a gridbaglayout organized in java programming?
Read data from console and print in one file. That would be in C:\temp ? Thanks, Bose
3 Answers Oracle, Surya Software,
How can we achieve thread safety in java?
Distinguish between a predicate and a function?
Can I learn java in 3 months?
How is string stored in java?
what is singleton class in java?
Can we override the private methods?
What are the rules for naming an array?
Core Java 
