byte To Hex using StringBuilder - Java java.lang

Java examples for java.lang:Hex

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Description

byte To Hex using StringBuilder

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte[] raw = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        System.out.println(byteToHex(raw));
    }//from w w  w. j  av  a2s  . com

    static final String HEXES = "0123456789ABCDEF";

    public static String byteToHex(byte[] raw) {
        if (raw == null) {
            return null;
        }
        final StringBuilder hex = new StringBuilder(2 * raw.length);
        for (final byte b : raw) {
            hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(
                    HEXES.charAt((b & 0x0F)));
        }
        return hex.toString();
    }
}

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