Yes. Different implementations with better performance. http://gcc.gnu.org/ml/java/2009-06/msg00019.html
http://www.mail-archive.com/core-libs-dev@openjdk.java.net/msg02147.html
- Are the faster versions of HashMap and BigInteger going... Paulo Levi
- Re: Are the faster versions of HashMap and BigInte... Andrew John Hughes
- Re: Are the faster versions of HashMap and Big... Paulo Levi
- Re: Are the faster versions of HashMap and... Andrew John Hughes
- Re: Are the faster versions of HashMap... Paulo Levi
- Re: Are the faster versions of HashMap... Alan Eliasen
- Re: Are the faster versions of Ha... Andrew John Hughes
- Re: Are the faster versions of HashMap and... Ismael Juma
- Re: Are the faster versions of HashMap... Doug Lea
- Re: Are the faster versions of Ha... Alex Yakovlev
