Java HTTP Port Find getFreePort()

Here you can find the source of getFreePort()

Description

get Free Port

License

Apache License

Declaration

public static int getFreePort() throws Exception 

Method Source Code

//package com.java2s;
/*/* w w w .  j  a  v  a  2s  .  com*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */

import java.net.InetAddress;
import java.net.InetSocketAddress;

import java.net.ServerSocket;

public class Main {
    public static int getFreePort() throws Exception {
        try (ServerSocket s = new ServerSocket()) {
            s.setReuseAddress(true);
            s.bind(new InetSocketAddress((InetAddress) null, 0));
            return s.getLocalPort();
        }
    }
}

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