Here you can find the source of printHexa(final byte b)
static char[] printHexa(final byte b)
//package com.java2s; /*/*ww w . ja v a2 s . co m*/ * ============================================================================= * * Copyright (c) 2014, The UNBESCAPE team (http://www.unbescape.org) * * 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 { private static char[] HEXA_CHARS_UPPER = "0123456789ABCDEF".toCharArray(); static char[] printHexa(final byte b) { final char[] result = new char[2]; result[0] = HEXA_CHARS_UPPER[(b >> 4) & 0xF]; result[1] = HEXA_CHARS_UPPER[b & 0xF]; return result; } }