新的版本，不管是在编译还是在运行期，都做了很多的优化。
这些优化当中，当然包括最近很热的topic："escape analysis".
IBM在发言中提到：
"IBM has done it again. Yes, they’ve (quietly) released a beta of their JDK5.0 with a brand new version of the famed J9 VM — 2.3 to be exact. (Note: J9 VMs have been around since 1.4.1/2, but IBM’s been timid about it — eg. it wasn’t on by default). [As of this writing only Linux (AMD64, x86, powerpc) and AIX betas are available for download]."
更多信息可以访问：
IBM.COM
标签：
