static public Class getWrapperClass (Class type) {
		if (type == int.class)
			return Integer.class;
		else if (type == float.class)
			return Float.class;
		else if (type == boolean.class)
			return Boolean.class;
		else if (type == long.class)
			return Long.class;
		else if (type == byte.class)
			return Byte.class;
		else if (type == char.class)
			return Character.class;
		else if (type == short.class) //
			return Short.class;
		return Double.class;
	}