JAVA - Converting from byte[] to hex representation

Question

Is there any way of converting from byte[] to hex representation? I've search everywhere but i can't find anything! Can someone please help me?

@ElliottFrisch Did you test those methods? Pretty sure `if (len < 0) {` should be `if (len > 0) {`. BTW, I think some of [these answers](http://stackoverflow.com/questions/9655181/) are by far more efficient. — Tobias, Apr 21 '14 at 14:47

score 0 · Accepted Answer · answered Apr 21 '14 at 14:42

try this:

private static String   digits = "0123456789abcdef";


   public static String toHex(byte[] data){
    StringBuffer    buf = new StringBuffer();

    for (int i = 0; i != data.length; i++)
    {
        int v = data[i] & 0xff;

        buf.append(digits.charAt(v >> 4));
        buf.append(digits.charAt(v & 0xf));
    }

    return buf.toString();
}

JAVA - Converting from byte[] to hex representation

1 Answers1