Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.math.BigInteger;

public class Main {
    public static String longToHex(long l) {
        return byteArrayToHex(BigInteger.valueOf(l).toByteArray(), null);
    }

    public static String byteArrayToHex(byte[] a) {
        return byteArrayToHex(a, null);
    }

    public static String byteArrayToHex(byte[] a, String divider) {
        StringBuilder sb = new StringBuilder(a.length * 2);
        boolean d = false;
        for (byte b : a) {
            sb.append(String.format("%02x", b & 0xff));
            if (d && divider != null) {
                sb.append(divider);
            }
            d = !d;
        }
        return sb.toString();
    }
}