/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Operations on char primitives and Character objects. * * This class tries to handle <code>null</code> input gracefully. * An exception will not be thrown for a <code>null</code> input. * Each method documents its behaviour in more detail. * * @author Stephen Colebourne * @since 2.1 * @version $Id: CharUtils.java 437554 2006-08-28 06:21:41Z bayard $ */ public class Main { //-------------------------------------------------------------------------- /** * Checks whether the character is ASCII 7 bit. * * <pre> * CharUtils.isAscii('a') = true * CharUtils.isAscii('A') = true * CharUtils.isAscii('3') = true * CharUtils.isAscii('-') = true * CharUtils.isAscii('\n') = true * CharUtils.isAscii('©') = false * </pre> * * @param ch the character to check * @return true if less than 128 */ public static boolean isAscii(char ch) { return ch < 128; } }