What is a concrete classes? is java object class is concrete class?

Showing Answers 1 - 12 of 12 Answers


  • Mar 6th, 2006

hi yes Object class is concrete class.And is root of the class Hierachy.

thanks regards



  • Mar 13th, 2006

concrete class is the one with all implemented methods or simply not an abstract class. Object has all its methods implemented hence it is a concrete class.

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  • Jun 10th, 2006

General method is called as concrete class(independent).

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  • Dec 29th, 2006

concrete classes which have deffination part & implimentation part

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  • Jul 20th, 2011

concrete class is made up of 50% cement n 45% gravels mixed with !/2 glass of water....


  • Mar 22nd, 2012

Concrete class is a class with implementation for all the methods in it. Concrete class defines all the abstract methods of an abstract class which it is extending. Object class is a concrete class.

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  • Mar 29th, 2016

A concrete class one of which content fully defined methods.
Defined method of a class are know as concrete method are implemented. Once class is concrete we can instantiate the object directly.

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Monika Srivastava

  • May 4th, 2016

A concrete class in java is a class which has implementation of all of its inherited members either from interface or abstract class.

  1. public abstract class A {

  2.      public abstract void test();

  3. }


  5. interface B {

  6.      public void test2();

  7. }


  9. public class C extends A implements B {

  10.        public void test() {

  11.             System.out.print("Abstract implementation");

  12.         }


  14.       public void test2() {

  15.            System.out.print("Interface implementation");

  16.        }

  17. }

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Pravallika vangavolu

  • Apr 4th, 2017

Concrete classes are the classes which have complete definition and implementation of methods that are not implemented in abstract classes

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  • Sep 7th, 2017

Concrete class is a superclass. Yes Object class can be termed as concrete class as it is the top level class in java.
All classes in java extends superclass.

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