Here you can find the source of toUpperCase(final byte b)
| Parameter | Description |
|---|---|
| b | ASCII character |
public static byte toUpperCase(final byte b)
//package com.java2s; /*//from w w w .j a va 2 s. c om * The MIT License * * Copyright (c) 2009 The Broad Institute * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class Main { private static final byte UPPER_CASE_OFFSET = 'A' - 'a'; /** * @param b ASCII character * @return uppercase version of arg if it was lowercase, otherwise returns arg */ public static byte toUpperCase(final byte b) { if (b < 'a' || b > 'z') { return b; } return (byte) (b + UPPER_CASE_OFFSET); } /** * Converts in place all lower case letters to upper case in the byte array provided. */ public static void toUpperCase(final byte[] bytes) { final int length = bytes.length; for (int i = 0; i < length; ++i) { if (bytes[i] >= 'a' && bytes[i] <= 'z') { bytes[i] = (byte) (bytes[i] + UPPER_CASE_OFFSET); } } } }