Here you can find the source of isChinaLanguage(char[] chars)
public static boolean isChinaLanguage(char[] chars)
//package com.java2s; /**/* w w w . j a v a 2 s. co m*/ * * Copyright 2008 - 2012 * * Licensed 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. * * @project loonframework * @author cping * @email?javachenpeng@yahoo.com * @version 0.3.3 */ public class Main { public static boolean isChinaLanguage(char[] chars) { int[] ints = new int[2]; boolean isChinese = false; int length = chars.length; byte[] bytes = null; for (int i = 0; i < length; i++) { bytes = ("" + chars[i]).getBytes(); if (bytes.length == 2) { ints[0] = bytes[0] & 0xff; ints[1] = bytes[1] & 0xff; if (ints[0] >= 0x81 && ints[0] <= 0xFE && ints[1] >= 0x40 && ints[1] <= 0xFE) { isChinese = true; } } else { return false; } } return isChinese; } }