code: public static boolean isIntegerType(Class pClass) {
          return
                  pClass == Byte.class ||
                          pClass == Byte.TYPE ||
                          pClass == Short.class ||
                          pClass == Short.TYPE ||
                          pClass == Character.class ||
                          pClass == Character.TYPE ||
                          pClass == Integer.class ||
                          pClass == Integer.TYPE ||
                          pClass == Long.class ||
                          pClass == Long.TYPE;
      }
docs: Returns true if the given class is of an integer type