Is String.hashCode() inefficient? [closed]

Is String.hashCode() inefficient? [closed]



1.java - Is String.hashCode() inefficient? - Stack Overflow

Description:When looking at the source code of java.lang.String of
openjdk-1.6, i saw that String.hashCode() uses 31 as prime number and
computes s[0]*31^(n-1) + s[1]*31^(n-2 ...



2.java.lang.String - Oracle Software Downloads | Oracle ...

Description:We would like to show you a description here but the site
won't allow us.



3.String.hashCode in Java - Stack Overflow

Description:For non-cryptographic hashes, how does Java's
String.hashCode() perform? Mostly I'm . Explore our sites. chat blog.
Stack Overflow ... Is String.hashCode() inefficient? 0



4.Inheriting Java: Chapter 38: Overriding toString ...

Description:21-02-2011 · This does not mean legal and does not even mean
efficient. It's perfectly legal to have a terribly inefficient hashCode
method in your class, ...



5.Writing a hash function in Java: guide to implementing ...

Description:For efficiency (but the JIT compiler may remove the need) ...
is to append all of the variables in string format and then use
String.hashCode() ...



6.Implementing equals() and hashCode()

Description:... resolve between the two objects using their equals()
method. But, if you would like to squeeze out that extra bit of efficiency
from hash tables, ...



7.Are Hash Codes Unique? - Tom Archer's Blog - Site Home ...

Description:10-05-2006 · While you will hear people state that hash codes
generate a unique value for a given input, the fact is that, while
difficult to accomplish, it is ...



8.How can I speed up hashtable lookups with struct object as ...

Description:20-03-2006 · When you have struct objects as the key in a
hashtable, the lookup operation of the hashtable performs miserably. This
can be attributes to the GetHashCode ...



9.fast hashCode for an array. - Velocity Reviews

Description:30-05-2004 · String.hashCode() also iterates over the
resulting char array. You could write a utility method that iterates only
once. I've done something like this in ...



10.Hash function - Wikipedia, the free encyclopedia

Description:A good randomizing function is (barring computational
efficiency concerns) generally a good choice as a hash function, but the
converse need not be true.