Re: Using char[] as key in a HashMap

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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