Here you can find the source of toAsciiByteArray(String s)
public static byte[] toAsciiByteArray(String s)
//package com.java2s; /**/* ww w . j av a 2s.c o m*/ * (C) Copyright IBM Corp. 2015, 2016 * * 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. * */ public class Main { public static byte[] toAsciiByteArray(String s) { char[] chars = s.toCharArray(); int len = chars.length; byte[] buffer = new byte[len]; for (int i = 0; i < len; i++) { buffer[i] = (byte) (chars[i] & 0xff); } return buffer; } }