public class ClassFromStatic {

  public static void main(java.lang.String[] args) {
    someStaticMethod();
  }

  public static void someStaticMethod() {
    System.out.println
       ("I'm in " + new CurrentClassGetter().getClassName() + " class");
  }

  public static class CurrentClassGetter extends SecurityManager {
    public String getClassName() {
      return getClassContext()[1].getName();
    }
  }
}