As above. Once you are reasonably confident with Java you are less likely to have the kind of questions that SO can answer e.g. ones with a definitive answer no

As above. Once you are reasonably confident with Java you are less likely to have the kind of questions that SO can answer e.g. ones with a definitive answer not design/pattern related. The API's are often consistent and well documented. A lot of people coming from C++ / C# etc can easily transfer to Java. Also although they are a similar age JavaScript uptake for solving real problems is on the increase. I'm novice to intermediate with Java and JavaScript and I find far more gotchas with JavaScript as evidenced in blogs, books etc e.g. The Good Parts (cf The Bad Parts...)