Use a Terminal command to see which programs on your machine are already compiled for 64-bit CPUs.

Java not working for some applications: Forcing 32-bit mode <p>We recently wrote about reinstalling Java to correct problems with various applications including Mail and Safari.

Java SE 6 update 11 is out, 64-bit support still lacking Two months after Java 6 update 10 was released, Sun has just released update 11.

Oracle is now giving Mac users the ability to get Java updates at the same time as they are available for Windows and Linux with the release of the Java SE 7 Update 4.

Come January 2018, new apps submitted to the Mac App Store must include 64-bit support as Apple progresses away from less efficient 32-bit code, while existing apps have until June of next year to ...

As a result, in the most recent 2010 Mac Pro systems Apple is changing the default kernel to be 64-bit, and perhaps we will see this be the default for other systems in the future as well.

As for OpenJDK, Apple says that it plans to contribute most of the components required to properly implement Java SE 7 in Mac OS X. That includes "a 32-bit and 64-bit HotSpot-based Java virtual ...