Here you can find the source of singular(String plural)
public static String singular(String plural)
//package com.java2s; /******************************************************************************* * Copyright (c) 2010 Oobium, Inc./*from w w w .ja v a2 s . c om*/ * All rights reserved. This program and the accompanying materials * are 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: * Jeremy Dowdall <jeremy@oobium.com> - initial API and implementation ******************************************************************************/ public class Main { public static String singular(String plural) { if (plural.equalsIgnoreCase("people")) { return plural.charAt(0) + "erson"; } else if (plural.equalsIgnoreCase("alumni")) { return plural.charAt(0) + "lumnus"; } else if (plural.endsWith("ies")) { return plural.substring(0, plural.length() - 3) + 'y'; } else if ('s' == plural.charAt(plural.length() - 1)) { return plural.substring(0, plural.length() - 1); } return plural; } }