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diff --git a/app/src/main/java/org/apache/commons/net/DefaultDatagramSocketFactory.java b/app/src/main/java/org/apache/commons/net/DefaultDatagramSocketFactory.java
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+/*
+ * 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.
+ */
+
+package org.apache.commons.net;
+
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.SocketException;
+
+/***
+ * DefaultDatagramSocketFactory implements the DatagramSocketFactory
+ * interface by simply wrapping the java.net.DatagramSocket
+ * constructors.  It is the default DatagramSocketFactory used by
+ * {@link org.apache.commons.net.DatagramSocketClient}
+ *  implementations.
+ * <p>
+ * <p>
+ * @author Daniel F. Savarese
+ * @see DatagramSocketFactory
+ * @see DatagramSocketClient
+ * @see DatagramSocketClient#setDatagramSocketFactory
+ ***/
+
+public class DefaultDatagramSocketFactory implements DatagramSocketFactory
+{
+
+    /***
+     * Creates a DatagramSocket on the local host at the first available port.
+     * <p>
+     * @exception SocketException If the socket could not be created.
+     ***/
+    public DatagramSocket createDatagramSocket() throws SocketException
+    {
+        return new DatagramSocket();
+    }
+
+    /***
+     * Creates a DatagramSocket on the local host at a specified port.
+     * <p>
+     * @param port The port to use for the socket.
+     * @exception SocketException If the socket could not be created.
+     ***/
+    public DatagramSocket createDatagramSocket(int port) throws SocketException
+    {
+        return new DatagramSocket(port);
+    }
+
+    /***
+     * Creates a DatagramSocket at the specified address on the local host
+     * at a specified port.
+     * <p>
+     * @param port The port to use for the socket.
+     * @param laddr  The local address to use.
+     * @exception SocketException If the socket could not be created.
+     ***/
+    public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
+    throws SocketException
+    {
+        return new DatagramSocket(port, laddr);
+    }
+}