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hashcode() in java

JayaSiji Gopal
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Joined: Sep 27, 2004
Posts: 303
What is the use of the hashcode() in java?
with respect to entity beans, how is the hashcode() used for?


SCJP 1.4, SCWCD 1.4<br /> <br />Thanks in advance!<br />Jayashree.
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14435
    
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Read the Javadoc documentation of the method hashCode() in class Object. It says:

"This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable."

Here are some articles with more information (found in 5 seconds with Google):
Java theory and practice: Hashing it out
HashCodes in a Nutshell


Java Beginners FAQ - JavaRanch SCJP FAQ - The Java Tutorial - Java SE 8 API documentation
Paul Sturrock
Bartender

Joined: Apr 14, 2004
Posts: 10336

Not an advanced question. Moving...


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