Here you can find the source of toLowerCase(Enum> aEnum)
public static String toLowerCase(Enum<?> aEnum)
//package com.java2s; /******************************************************************************* * Copyright (c) 2011 Red Hat, Inc. //from w w w . ja v a2s . c om * Distributed under license by Red Hat, Inc. All rights reserved. * This program is made available under the terms of the * Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ public class Main { public static String toLowerCase(String message) { if (message == null) { return null; } return message.toLowerCase(); } public static String toLowerCase(Enum<?> aEnum) { if (aEnum == null) { return null; } return toLowerCase(aEnum.name()); } }