What is the hashCode() method?

July 16th, 2009 by uCertify Leave a reply »

The hashCode() method is defined in the java.lang.Object class. It returns the hash code of the invoking object. The hash code value returned by this method is a number of type int. The signature of the hashCode() method is given below:

public int hashCode()

Note: Objects that are equal according to the equals(Object) method always produce the same hash code value. However, it is not necessary for the objects that are unequal according to the equals(java.lang.Object) method to produce different hash code values.

Like this article? Share it with others
If you like this article, please leave a comment or subscribe this blog via RSS or via e-mail, Bookmark and share through your network. Click the AddThis button below. Thanks.
  • Share/Bookmark
Advertisement

Leave a Reply

uCertify.com | Our Company | Articles | Contact Us | News and Press Release | uCertify India | Entries (RSS)
MCSE: MCSA, MCTS, MCITP    JAVA Certification: SCJP, SCWCD    Cisco Certification: CCNA, CCENT    A+, Network+, Security+ Project+
Oracle Certification: OCP 11g, OCP 10g, OCA 11g, OCA 10g    CIW foundation    EC-212-32,    CISSP    Photoshop ACE CS4    Adobe Flash ACE, PMP, CAPM
© 2008 uCertify.com. All rights reserved. All trademarks are the property of their respective owners.