In response to my recent blog posting Immutable Java Objects , Matt brought up a good point of discussion related to making Java classes truly immutable by declaring them as ...

Java doesn't work like this, java.lang.String and java.lang.StringBuffer aren't related through inheritance and when you call StringBuffer.toString () a brand new String is created with a copy of ...

Extent-local variables would provide a way to share data both within a thread and with child threads in Java, making it easier to reason about data flow.