I run Windows 7 64-bit. I have the Java JRE 32-bit installed. I use Firefox almost exclusively for web browsing. I see there is a 64-bit JRE, but I can't really tell what use it is. Under what ...

Back in the early 1.5 days, yeah, the JVMs were buggy for us. Since we've been using late 1.6 VMs from Sun -- it's been fine. No issues whatsoever.

Yesterday Apple released Java for Mac OS X 10.5 Update 1, which adds Java SE 6 version 1.6.0_05. Release notes indicate that the update is for 64-bit Intel-based Macs only and cannot run on ...

Ideally this is resolved without creating platform-specific Java-GI jar files. The Java bindings can provide the "lowest common denominator", i.e. always use int in Java when the native type is long.