Android How to - Check if an IP address an IPv6 address

Question

We would like to know how to check if an IP address an IPv6 address.
Answer

/*from  w  w  w  . jav  a2  s  .  c om*/
/*******************************************************************************
 * Software Name : RCS IMS Stack
 *
 * Copyright (C) 2010 France Telecom S.A.
 *
 * 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
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import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;

class IpAddressUtils {
    /**
     * is IPv6 Address
     * @param ipAddress address
     * @return true if IPv6
     */
    public static boolean isIPv6(String ipAddress) {
        InetAddress addr;
        boolean isIPv6 = false;
        try {
            addr = InetAddress.getByName(ipAddress);
            isIPv6 = addr instanceof Inet6Address;
        } catch (UnknownHostException e) {
            return false;
        }
        return isIPv6;
    }
}