code: public static JobBuilder newJobBuilder(Class<? extends Job> jobClass) {
  
      JobBuilder b = new JobBuilder();
      b.ofType(jobClass);
      return b;
    }
docs: Create a JobBuilder with which to define a <code>JobDetail</code>, and set the class name of
  the <code>Job</code> to be executed.
  
  @return a new JobBuilder