I'm just going to provide you with some links as the links I have found pretty much helps answer your question(s):
http://www.tuaw.com/2012/10/22/java-...well-together/
http://productforums.google.com/foru...me/H0R4p4eC35c
http://forums.whirlpool.net.au/archive/2060867
http://www.pcmech.com/article/google...lable-however/
https://www.mydlink.com/faq/mydlink/ans27
Java 7 is 64-bit only. In Mac OS, Google Chrome is 32-bit only. BUT, the 64-bit Google Chrome is ONLY available for those who have the Linux operating system.