Here you can find the source of bytes2ip(byte[] bytes)
public static String bytes2ip(byte[] bytes)
//package com.java2s; /*//from w w w. j a v a 2 s . co m * Copyright 2015 Open Networking Laboratory * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ public class Main { public static String bytes2ip(byte[] bytes) { return new StringBuffer().append(bytes[0] & 0xFF).append('.').append(bytes[1] & 0xFF).append('.') .append(bytes[2] & 0xFF).append('.').append(bytes[3] & 0xFF).toString(); } }