This episode focuses mostly on a concept in Java which, as we have found, is not well understood by some "experienced" Java Devs: Is Java really Pass By Value. Well of course it is! The problem however is people don't know what that means when it comes to reference types. Common rebuttals are "but a function can modify the state of my object! That's pass by reference!" Well, no its not 
That's mutability.
Why are we focusing on such a topic? Well, over on the "Java Developer" group at LinkedIn, someone asked the seemingly innocent question "Help guys!!! Java supports pass by value or reference?" which has exploded into a 274 message thread of some of the best flaming you've ever seen! For those who aren't on LinkedIn, or don't want to become a member of the Java Developers group, a new discussion has taken root over at The Server Side.
Other topics we cover are the new Mac App Store and what this means for the Mac consumer and developer as well as Apache's announcement that they are Leaving the JCP and what (if any) ramifications this will have for Oracle and Java.
Enjoy!