What is an abstract class?

Answers were Sorted based on User's Feedback



What is an abstract class?..

Answer / pranab dutta

An Abstract class serves as a template, so it must be
extended /subclassed. It contains a static data. It means a
class that is abstract may not be instantiated and its
constructor can?t be called. A class may be declared
abstract even if it has no abstract methods that prevents
it from being instantiated.

Is This Answer Correct ?    4 Yes 0 No

What is an abstract class?..

Answer / guest

Hi...
Abstract class: U cannot instantiate an object of Abstract
class.An abstract class should having atleast one abstract
methoda and it should not final.

Is This Answer Correct ?    5 Yes 3 No

What is an abstract class?..

Answer / shan

An abstrct class is a class which contains special property
than ordinary class.
An abstarct class contains atleast one abstract method
which will be left to its subclass to implement.
An abstract class defines some common properties to its
subclass

Is This Answer Correct ?    3 Yes 1 No

What is an abstract class?..

Answer / janet

An abstract class is a class designed with implementation
gaps for subclasses to fill in and is deliberately
incomplete.

Is This Answer Correct ?    1 Yes 0 No

What is an abstract class?..

Answer / prasviji143@gmail.com

abstract class is an incomplete class which contains incomplete and complete methods.

incomplete methods contains only the declaration and ended with semicolon (; )

To access the incomplete methods we need create a concrete class with the help of extends keyword.

In concrete class there will be method definitions for incomplete methods.

abstract class is known as superclass and concrete class as subclass.


In concrete class we can create the object and we can call the incomplete methods and execute the program.

Is This Answer Correct ?    2 Yes 1 No

What is an abstract class?..

Answer / sundar m

Abstract class is a restricted class that cannot be used to create objects
It is the class which the "abstract" keyword is used to create the abstract class and this was implemented for the user simplicity and the abstract method cannot contain the body
The abstract class must be inherit from another class

Is This Answer Correct ?    0 Yes 0 No

What is an abstract class?..

Answer / sitaram

abstract class is class. we can't create the instantiate the
object of abstract class. In abstract class contains
concrete and abstract methods.when ever we can implement the
abstract methods. The current class will extends the
abstract class.

Is This Answer Correct ?    0 Yes 2 No

What is an abstract class?..

Answer / ms

an abstract class is one which only gives the body of the
class containing the methods with out any
implementation.the abstract methods and the abstract
objects cannot be instantiated

Is This Answer Correct ?    0 Yes 3 No

Post New Answer

More Core Java Interview Questions

How to perform merge sort in java?

1 Answers  


What are the super most classes for all the streams?

6 Answers  


What is your platform’s default character encoding?

1 Answers  


What does it mean to be immutable?

1 Answers  


What is method reference?

1 Answers  


What is e in java?

1 Answers  


What are the new features in java 8? Explain

1 Answers  


why to use transient variables when static variables can be used for Serialization

4 Answers  


Why can't we make a class private in java?

1 Answers  


why HashTable not allow null key and value

2 Answers   Crimson Logic,


What is autoboxing in java?

1 Answers  


Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }

3 Answers  


Categories