Java Hex to Int hexChar2dec(char hex)

Description

hex Chardec

License

Apache License

Declaration

private static int hexChar2dec(char hex) 

Method Source Code

//package com.java2s;
/*/*ww  w.  j av  a2  s .  c om*/
 * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com)
 *
 * 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 int hexChar2dec(char hex) {
        if (hex > 47 && hex < 58) {
            hex -= 48;
        } else if (hex > 64 && hex < 71) {
            hex -= 55;
        } else if (hex > 96 && hex < 103) {
            hex -= 87;
        } else {
            throw new RuntimeException(hex + "is not a valid hex char.");
        }
        return hex;
    }
}

Related

1. convertHexDigitAsInt(char c)
2. convertHexStringToInt(String hex)
3. convertHexStringToInt(String hexString)
4. convertHexToDec(String in)
5. convertHexToInt(String hex)
6. hexChar2Int(char ch)