Here you can find the source of normalize(String text)
public static String normalize(String text)
//package com.java2s; /**/*w ww . j a v a 2 s . c om*/ * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ import java.text.Normalizer; public class Main { public static String normalize(String text) { String[] texts = normalize(new String[] { text }); return texts[0]; } public static String[] normalize(String[] texts) { String[] normalizedTexts = new String[texts.length]; for (int i = 0; i < texts.length; i++) { if (texts[i] == null) { continue; } normalizedTexts[i] = Normalizer.normalize(texts[i], Normalizer.Form.NFC); } return normalizedTexts; } }