How to upgrade to x64 Java?

[Cam493]

Minecraft is giving me error messages saying that many features won't work unless 64-bit Java is on. I went into my Java-related preferences and made sure the x64 version was the top priority, but nonetheless it did nothing.

 

[Benni-chan]

here is some info on how to tell the minecraft app to use the 64bit java:
http://www.minecraftforum.net/topic/57538-mac-guide-106-how-to-make-minecraftapp-use-64bit-java/