While we have to work with the ”old” Java, it worth to know more about how it works. Michael Kopp blogged about the impact of the garbage collector on the performance. It is a good article, which explains the fundamentals of the memory management in Java.
I found an old article about the eXtreme Programming Simplicity Rules. In nutshell:
pass all tests
expresses every idea that we need to express but nothing more
do not duplicate code or configuration
have short methods, classes and modules
Roy Osherove talked about influence change at companies in an interview recorded at QCon London 2011. I checked his website and found his old post about the topic. The six forces that influences behaviour are something every team leader or change manager should be aware of, otherwise all the efforts put into the change will evaporate. The mentioned forces are: