Java - Write code to convert byte array to Hex String using shift right operator

  1. HOME
  2. Java
  3. Data Types
  4. int hexadecimal number format

Requirements

Write code to convert byte array to Hex String using shift right operator

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        byte[] b = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        System.out.println(toHexString(b));
    }// www . ja  v a 2 s .c  om

    private static final char[] hexCharsLowerCase = { '0', '1', '2', '3',
            '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

    public static String toHexString(byte[] b) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < b.length; i++) {
            sb.append(hexCharsLowerCase[(int) (((int) b[i] >> 4) & 0x0f)]);
            sb.append(hexCharsLowerCase[(int) (((int) b[i]) & 0x0f)]);
        }
        return sb.toString();
    }
}