How to determine main class at runtime in threaded java application?

Question

I want to determine the class name where my application started, the one with the main() method, at runtime, but I\'m in another thread and my stacktrace doesn\'t go all the

Answer 1

The JAVA_MAIN_CLASS environment value isn't always present depending on the platform. If you just want to get a name of the "main" class that started your Java process, you can do this:

  public static String getMainClassName()
  {
    StackTraceElement trace[] = Thread.currentThread().getStackTrace();
    if (trace.length > 0) {
      return trace[trace.length - 1].getClassName();
    }
    return "Unknown";
  }