Here you can find the source of toUppercaseHex(final int halfbyte)
public final static char toUppercaseHex(final int halfbyte)
//package com.java2s; /**//from w w w .j a v a2 s. c o m * The contents of this file are subject to the Regenstrief Public License * Version 1.0 (the "License"); you may not use this file except in compliance with the License. * Please contact Regenstrief Institute if you would like to obtain a copy of the license. * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * Copyright (C) Regenstrief Institute. All Rights Reserved. */ public class Main { public final static char toUppercaseHex(final int halfbyte) { return toHex('A', halfbyte); } private final static char toHex(final char a, final int halfbyte) { return (char) (halfbyte < 10 ? '0' + halfbyte : a + halfbyte - 10); } }