//package com.nowjava;
/** 来 自 时代Java公众号**/
public class Main {
public static void main(String[] argv) throws Exception {
long ip = 2;
System.out.println(java.util.Arrays
.toString(numericIpToByteArray(ip)));
}
/**
* Given an ip in numeric format, return a byte array that can be fed to
* InetAddress.
* @param ip the ip address in long (such as 3232235780)
* @return the byte array.
*/
public static byte[] numericIpToByteArray(long ip) {
byte[] ipArray = new byte[4];
ipArray[3] = (byte) (ip & 0xff);
ipArray[2] = (byte) ((ip >> 8) & 0xff);
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