"My day job has been programming computers for decades. For the last dozen years, I have made a decent living as an expert Java coder. Now it's time to give something back. I have always enjoyed helping others in increasing their understanding of subjects in which we share an interest, or in which there is a need for growth of knowledge. Feedback has always been positive. I am told that my organizations and explanations of material are both crystal clear. I truly enjoy the instant gratification t"