Here you can find the source of char2Byte(char c)
public static byte char2Byte(char c)
//package com.java2s; /**/*from ww w.jav a2 s .c om*/ * Copyright 2016 smartbetter * * 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 char2Byte(char c) { return (byte) "0123456789ABCDEF".indexOf(c); } }