Core Java - Wrapping an Object

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Wrapping an Object

What does "wrapping" an object mean?

Total Answers and Comments: 9

Last Update: October 29, 2009 Asked by: jegacjb86

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Best Rated Answer

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Submitted by: rameshcpbakhya

Putting an object as an member variable of another object(say domain object) for providing more functionality or for business purpose is called wrapping an object. Example: wrapper classes that wraps primitive types such that primitive type values can be treated as objects

Above answer was rated as good by the following members:
prikshit chauhan, visibleone, uday bhasker reddy, ajith_raj, amityuva

July 28, 2008 07:35:51

GMadhavaReddy222

Member Since: July 2008 Contribution: 3

RE: Wrapping an Object

The process of writing a primitive data type into an object is called wrapping an Object

Generally wrapped object contain value of primitive type(int float double boolean)

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July 29, 2008 22:13:49

rameshcpbakhya

Member Since: July 2007 Contribution: 1

RE: Wrapping an Object

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September 08, 2008 09:21:20

yaminik_it

Member Since: August 2008 Contribution: 1

RE: Wrapping an Object

It provides wrapper classes to manipulate primitive data elements as objects such data elements are wrapping an object. Primitive data types wil be boolean int float double char Wrapper class will be Boolean Integer Float Double Character.

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September 13, 2008 22:16:11

nookashiva

Member Since: September 2008 Contribution: 2

RE: Wrapping an Object

The process converting the Primitive datatype into object (Interger Float...ect).

Ex: Interget i new Interger(100);

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October 05, 2008 07:31:40

rashmisudha

Member Since: October 2008 Contribution: 2

RE: Wrapping an Object

wrapping means converting a primitive data type into an object type .
example.......Integer i new Integer(25) or Integer i new Integer("25")

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October 13, 2008 13:04:43

bharathnav

Member Since: October 2008 Contribution: 2

RE: Wrapping an Object

WRAPPING AN OBJECT means converting a primitive data type to an object type and vice versa..

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December 01, 2008 05:16:22

ranaraj

Member Since: November 2008 Contribution: 3

RE: Wrapping an Object

As we know that Java is not fully (100 ) object oriented programming
language because we use some predefined instance like int float et al. so we
use wrapping class to change this thing into object.

Simple class name wrapper class name

test Test

student Student

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December 03, 2008 08:08:13

karthik_knight2000

Member Since: January 2008 Contribution: 5

RE: Wrapping an Object

Wrapping an object means we are covering that object say for example in Java we can say String is a class as well as String is a data type.

String s; // here s is object of String class

String.valueOf(12) // here String is a class valueOf() is a method valueOf() method works without called by String Object

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October 29, 2009 15:03:04

SreerangKulkarni

Member Since: October 2009 Contribution: 1

RE: Wrapping an Object

When an object A is said to "Wrap" object B it means that Object A HAS A reference to the Object B and deligates calls to it.

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