Re: Using char[] as key in a HashMap

That's awesome. Thanks

A

> Date: Tue, 29 Jan 2008 23:28:33 -0800
> From: [email protected]
> Subject: Re: [ADVANCED-JAVA] Using char[] as key in a HashMap
> To: [email protected]
> 
> Just wrap it with CharBuffer.wrap(char[]):
> http://java.sun.com/j2se/1.5.0/docs/api/java/nio/CharBuffer.html
> 
> Bob
> 
> On Jan 29, 2008 11:24 PM, Avinash Lakshman <[email protected]> wrote:
> 
> > Hi All
> >
> > In the application that we are building we have the need to maintain some
> > objects in memory in a HashMap keyed by a String. But it seems that the
> > overhead of the String is such that the overhead is more than the length of
> > the characters in the String. I was thinking of reducing the memory
> > footprint significantly by replacing the key with a char[] of the String.
> > How can I achieve this? How can I implement the hashCode() and equals() of
> > char[]? Do I have to do it with a class that wraps the char[]?
> >
> > Thanks
> > A
> >
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