public static String buildSelectorFromClass(String classValue){
  StringBuilder strb=new StringBuilder();
  strb.append(CLASS_SELECTOR_PREFIX);
  strb.append(classValue);
  return strb.toString();
}

public static String buildSelectorFromClass ( String classValue ) { StringBuilder strb = new StringBuilder ( ) ; strb . append ( CLASS_SELECTOR_PREFIX ) ; strb . append ( classValue ) ; return strb . toString ( ) ; }
create a selector of the form . $ classvalue
