Hmmm. I can't be super helpful before I fall asleep tonight, but..

First thing is working with Generics (http://java.sun.com/docs/books/tutorial/java/generics/index.html)

Regular expressions?...

Oh my.

For one, I think this is how you meant to represent your code:

class Rev {
char a[];
char i=3;

void str() {
for(i='A';i<'D';i++) {

Alright!

I love answering my own questions. I hope that someone can learn something from this!

I conducted two tests. The first test locks the entire myArray array. The seconds locks a...

I think I may know what you're talking about, as I faced the apparent issue myself just last week. It was quite something. If I've misunderstood and all the following information is unrelated, then I...