private static Class[] getClasses(Object[] parameters){
		Class[] classes = new Class[parameters.length];
		for(int j = 0; j < parameters.length; j++){
			classes[j] = parameters[j].getClass();
			if(classes[j]==Integer.class)classes[j] = int.class;
			else if(classes[j]==Double.class)classes[j] = double.class;
			else if(classes[j]==Float.class)classes[j] = float.class;
			else if(classes[j]==Long.class)classes[j] = long.class;
			else if(classes[j]==Short.class)classes[j] = short.class;
			else if(classes[j]==Character.class)classes[j] = char.class;
			else if(classes[j]==Byte.class)classes[j] = byte.class;
			else if(classes[j]==Boolean.class)classes[j] = boolean.class;
		}
		return classes;
	}