Java HTTP Port Find findFreePort()

Description

find Free Port

License

Apache License

Declaration

public static int findFreePort() throws IOException 

Method Source Code

//package com.java2s;
/*//from www. j a  va 2  s.  c  om
 * 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.io.IOException;

import java.net.ServerSocket;

public class Main {
    public static int findFreePort() throws IOException {
        ServerSocket socket = new ServerSocket(0);
        try {
            return socket.getLocalPort();
        } finally {
            try {
                socket.close();
            } catch (IOException e) {
            }
        }
    }
}

Related

1. findFreePort()
2. findFreePort()
3. findFreePort()
4. findFreePort()
5. findFreePort()
6. findFreePort()
7. findFreePort()
8. findFreePort()
9. findFreePort()