Java 根据子网的划分方式增加子网，例如。

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/** 

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 * Copyright 2012 InCNTRE, This file is released under Apache 2.0 license except for component libraries under different licenses

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http://www.apache.org/licenses/LICENSE-2.0

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 */

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//package com.nowjava;

/** 

来 自 

N o w J a v a . c o m

**/

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public class Main {

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    public static void main(String[] argv) throws Exception {

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        int ip = 2;

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        int subnet = 2;

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        System.out.println(incrementSubnet(ip, subnet));

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    }

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    /**

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     * Increment subnet based on how subnets are to be divided

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     * e.g. 192.168.0.0/24 will incremented will be 

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     * 192.168.1.0/24  

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     * @param ip

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     * @param subnet

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     * @return the incremented subnet in integer form 

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     */

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    public static int incrementSubnet(int ip, int subnet) {

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        int newIP = 0;

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