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The following commit(s) were added to refs/heads/master by this push:
     new 832a2398 Javadoc
832a2398 is described below

commit 832a239897b74acc55e89e9869125a1cf0ec3908
Author: Gary Gregory <[email protected]>
AuthorDate: Sun Jan 4 15:10:01 2026 -0500

    Javadoc
    
    Add an empty line before a Javadoc comment
---
 .../apache/commons/net/DatagramSocketClient.java   |  1 +
 .../apache/commons/net/DefaultSocketFactory.java   |  1 +
 .../org/apache/commons/net/echo/EchoUDPClient.java |  1 +
 .../java/org/apache/commons/net/ftp/FTPClient.java |  1 -
 .../apache/commons/net/ftp/FTPListParseEngine.java |  1 +
 .../net/ftp/parser/FTPFileEntryParserFactory.java  |  1 +
 .../commons/net/ftp/parser/FTPTimestampParser.java |  1 +
 .../commons/net/ftp/parser/OS2FTPEntryParser.java  |  1 +
 .../ftp/parser/RegexFTPFileEntryParserImpl.java    |  1 +
 .../commons/net/imap/AuthenticatingIMAPClient.java |  1 +
 .../java/org/apache/commons/net/imap/IMAP.java     |  7 ++-
 .../org/apache/commons/net/imap/IMAPClient.java    | 50 ++++++++++++++++++++++
 .../org/apache/commons/net/imap/IMAPCommand.java   | 15 ++++---
 .../org/apache/commons/net/imap/IMAPReply.java     |  1 +
 .../org/apache/commons/net/imap/IMAPSClient.java   |  5 +++
 .../apache/commons/net/io/CopyStreamListener.java  |  1 +
 .../apache/commons/net/nntp/ArticlePointer.java    |  2 +
 .../java/org/apache/commons/net/nntp/NNTP.java     |  1 +
 .../org/apache/commons/net/nntp/NewsgroupInfo.java |  1 +
 .../org/apache/commons/net/ntp/NTPUDPClient.java   |  1 +
 .../java/org/apache/commons/net/pop3/POP3.java     |  5 +++
 .../org/apache/commons/net/pop3/POP3Command.java   | 14 ++++++
 .../org/apache/commons/net/pop3/POP3Reply.java     |  1 +
 .../org/apache/commons/net/pop3/POP3SClient.java   |  4 ++
 .../java/org/apache/commons/net/smtp/SMTP.java     |  1 +
 .../org/apache/commons/net/smtp/SMTPSClient.java   |  5 +++
 .../commons/net/telnet/EchoOptionHandler.java      |  1 +
 .../commons/net/telnet/SimpleOptionHandler.java    |  1 +
 .../net/telnet/SuppressGAOptionHandler.java        |  1 +
 .../java/org/apache/commons/net/telnet/Telnet.java |  5 ++-
 .../apache/commons/net/telnet/TelnetCommand.java   |  1 +
 .../commons/net/telnet/TelnetInputStream.java      |  1 +
 .../net/telnet/TelnetNotificationHandler.java      |  1 +
 .../apache/commons/net/telnet/TelnetOption.java    |  1 +
 .../commons/net/telnet/TelnetOptionHandler.java    |  1 +
 .../net/telnet/TerminalTypeOptionHandler.java      |  1 +
 .../net/telnet/WindowSizeOptionHandler.java        |  1 +
 .../org/apache/commons/net/tftp/TFTPAckPacket.java |  1 +
 .../org/apache/commons/net/tftp/TFTPClient.java    |  1 +
 .../apache/commons/net/tftp/TFTPDataPacket.java    |  1 +
 .../apache/commons/net/tftp/TFTPErrorPacket.java   |  1 +
 .../org/apache/commons/net/tftp/TFTPPacket.java    |  1 +
 .../apache/commons/net/tftp/TFTPRequestPacket.java |  1 +
 .../org/apache/commons/net/time/TimeTCPClient.java |  1 +
 .../org/apache/commons/net/util/SubnetUtils.java   |  1 +
 .../org/apache/commons/net/whois/WhoisClient.java  |  1 +
 .../net/telnet/SimpleOptionHandlerTest.java        |  1 +
 .../commons/net/telnet/TelnetClientTest.java       |  1 +
 .../commons/net/telnet/TelnetOptionTest.java       |  1 +
 .../net/telnet/WindowSizeOptionHandlerTest.java    |  1 +
 50 files changed, 141 insertions(+), 11 deletions(-)

diff --git a/src/main/java/org/apache/commons/net/DatagramSocketClient.java 
b/src/main/java/org/apache/commons/net/DatagramSocketClient.java
index 3ae30717..c0953e77 100644
--- a/src/main/java/org/apache/commons/net/DatagramSocketClient.java
+++ b/src/main/java/org/apache/commons/net/DatagramSocketClient.java
@@ -39,6 +39,7 @@ import org.apache.commons.io.IOUtils;
  * @see DatagramSocketFactory
  */
 public abstract class DatagramSocketClient implements AutoCloseable {
+
     /**
      * The default DatagramSocketFactory shared by all DatagramSocketClient 
instances.
      */
diff --git a/src/main/java/org/apache/commons/net/DefaultSocketFactory.java 
b/src/main/java/org/apache/commons/net/DefaultSocketFactory.java
index 854e784e..08622564 100644
--- a/src/main/java/org/apache/commons/net/DefaultSocketFactory.java
+++ b/src/main/java/org/apache/commons/net/DefaultSocketFactory.java
@@ -37,6 +37,7 @@ import javax.net.SocketFactory;
  * @see SocketClient#setSocketFactory
  */
 public class DefaultSocketFactory extends SocketFactory {
+
     /** The proxy to use when creating new sockets. */
     private final Proxy connProxy;
 
diff --git a/src/main/java/org/apache/commons/net/echo/EchoUDPClient.java 
b/src/main/java/org/apache/commons/net/echo/EchoUDPClient.java
index 4ab53242..d056608c 100644
--- a/src/main/java/org/apache/commons/net/echo/EchoUDPClient.java
+++ b/src/main/java/org/apache/commons/net/echo/EchoUDPClient.java
@@ -34,6 +34,7 @@ import org.apache.commons.net.util.NetConstants;
  */
 
 public final class EchoUDPClient extends DiscardUDPClient {
+
     /** The default echo port. It is set to 7 according to RFC 862. */
     public static final int DEFAULT_PORT = 7;
 
diff --git a/src/main/java/org/apache/commons/net/ftp/FTPClient.java 
b/src/main/java/org/apache/commons/net/ftp/FTPClient.java
index 8a75e1cb..cb8d8cd3 100644
--- a/src/main/java/org/apache/commons/net/ftp/FTPClient.java
+++ b/src/main/java/org/apache/commons/net/ftp/FTPClient.java
@@ -2683,7 +2683,6 @@ public class FTPClient extends FTP implements 
Configurable {
         return false;
     }
 
-    // For server to server transfers
     /**
      * Initiate a server to server file transfer. This method tells the server 
to which the client is connected to append to a given file on the other server.
      * The other server must have had a {@code remoteRetrieve} issued to it by 
another FTPClient.
diff --git a/src/main/java/org/apache/commons/net/ftp/FTPListParseEngine.java 
b/src/main/java/org/apache/commons/net/ftp/FTPListParseEngine.java
index 33d8bb46..96ec816a 100644
--- a/src/main/java/org/apache/commons/net/ftp/FTPListParseEngine.java
+++ b/src/main/java/org/apache/commons/net/ftp/FTPListParseEngine.java
@@ -69,6 +69,7 @@ import org.apache.commons.io.Charsets;
  * </p>
  */
 public class FTPListParseEngine {
+
     /**
      * An empty immutable {@code FTPFile} array.
      */
diff --git 
a/src/main/java/org/apache/commons/net/ftp/parser/FTPFileEntryParserFactory.java
 
b/src/main/java/org/apache/commons/net/ftp/parser/FTPFileEntryParserFactory.java
index 898cf169..cd18437f 100644
--- 
a/src/main/java/org/apache/commons/net/ftp/parser/FTPFileEntryParserFactory.java
+++ 
b/src/main/java/org/apache/commons/net/ftp/parser/FTPFileEntryParserFactory.java
@@ -26,6 +26,7 @@ import org.apache.commons.net.ftp.FTPFileEntryParser;
  * @since 1.2
  */
 public interface FTPFileEntryParserFactory {
+
     /**
      * <p>
      * Implementation should be a method that extracts a key from the supplied 
{@link FTPClientConfig FTPClientConfig} parameter and creates an object
diff --git 
a/src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParser.java 
b/src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParser.java
index 12a0d0a5..5f6e57e2 100644
--- a/src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParser.java
+++ b/src/main/java/org/apache/commons/net/ftp/parser/FTPTimestampParser.java
@@ -31,6 +31,7 @@ public interface FTPTimestampParser {
      * the default default date format.
      */
     String DEFAULT_SDF = UnixFTPEntryParser.DEFAULT_DATE_FORMAT;
+
     /**
      * the default recent date format.
      */
diff --git 
a/src/main/java/org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java 
b/src/main/java/org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java
index b7d285e2..a66096ab 100644
--- a/src/main/java/org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java
+++ b/src/main/java/org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java
@@ -32,6 +32,7 @@ import org.apache.commons.net.ftp.FTPFileEntryParser;
 public class OS2FTPEntryParser extends ConfigurableFTPFileEntryParserImpl {
 
     private static final String DEFAULT_DATE_FORMAT = "MM-dd-yy HH:mm"; // 
11-09-01 12:30
+
     /**
      * this is the regular expression used by this parser.
      */
diff --git 
a/src/main/java/org/apache/commons/net/ftp/parser/RegexFTPFileEntryParserImpl.java
 
b/src/main/java/org/apache/commons/net/ftp/parser/RegexFTPFileEntryParserImpl.java
index 55e4741f..22bc2adf 100644
--- 
a/src/main/java/org/apache/commons/net/ftp/parser/RegexFTPFileEntryParserImpl.java
+++ 
b/src/main/java/org/apache/commons/net/ftp/parser/RegexFTPFileEntryParserImpl.java
@@ -32,6 +32,7 @@ import org.apache.commons.net.ftp.FTPFileEntryParserImpl;
  * </p>
  */
 public abstract class RegexFTPFileEntryParserImpl extends 
FTPFileEntryParserImpl {
+
     /**
      * Internal pattern the matcher tries to match, representing a file entry
      */
diff --git 
a/src/main/java/org/apache/commons/net/imap/AuthenticatingIMAPClient.java 
b/src/main/java/org/apache/commons/net/imap/AuthenticatingIMAPClient.java
index bdf24d47..7064582f 100644
--- a/src/main/java/org/apache/commons/net/imap/AuthenticatingIMAPClient.java
+++ b/src/main/java/org/apache/commons/net/imap/AuthenticatingIMAPClient.java
@@ -41,6 +41,7 @@ public class AuthenticatingIMAPClient extends IMAPSClient {
         /** The standardized (RFC4616) PLAIN method, which sends the password 
unencrypted (insecure). */
 
         PLAIN("PLAIN"),
+
         /** The standardized (RFC2195) CRAM-MD5 method, which doesn't send the 
password (secure). */
 
         CRAM_MD5("CRAM-MD5"),
diff --git a/src/main/java/org/apache/commons/net/imap/IMAP.java 
b/src/main/java/org/apache/commons/net/imap/IMAP.java
index 32a4bf02..94927a77 100644
--- a/src/main/java/org/apache/commons/net/imap/IMAP.java
+++ b/src/main/java/org/apache/commons/net/imap/IMAP.java
@@ -35,11 +35,13 @@ import org.apache.commons.net.util.NetConstants;
  * The IMAP class provides the basic the functionality necessary to implement 
your own IMAP client.
  */
 public class IMAP extends SocketClient {
+
     /**
      * Implement this interface and register it via {@link 
#setChunkListener(IMAPChunkListener)} in order to get access to multi-line 
partial command responses.
      * Useful when processing large FETCH responses.
      */
     public interface IMAPChunkListener {
+
         /**
          * Called when a multi-line partial response has been received.
          *
@@ -53,12 +55,16 @@ public class IMAP extends SocketClient {
      * Enumerates IMAP states.
      */
     public enum IMAPState {
+
         /** A constant representing the state where the client is not yet 
connected to a server. */
         DISCONNECTED_STATE,
+
         /** A constant representing the "not authenticated" state. */
         NOT_AUTH_STATE,
+
         /** A constant representing the "authenticated" state. */
         AUTH_STATE,
+
         /** A constant representing the "logout" state. */
         LOGOUT_STATE
     }
@@ -66,7 +72,6 @@ public class IMAP extends SocketClient {
     /** The default IMAP port (RFC 3501). */
     public static final int DEFAULT_PORT = 143;
 
-    // RFC 3501, section 5.1.3. It should be "modified UTF-7".
     /**
      * The default control socket encoding.
      */
diff --git a/src/main/java/org/apache/commons/net/imap/IMAPClient.java 
b/src/main/java/org/apache/commons/net/imap/IMAPClient.java
index 29fa9a3c..ab99daa5 100644
--- a/src/main/java/org/apache/commons/net/imap/IMAPClient.java
+++ b/src/main/java/org/apache/commons/net/imap/IMAPClient.java
@@ -28,24 +28,34 @@ public class IMAPClient extends IMAP {
      * The message data item names for the FETCH command defined in RFC 3501.
      */
     public enum FETCH_ITEM_NAMES {
+
         /** Macro equivalent to: (FLAGS INTERNALDATE RFC822.SIZE ENVELOPE). */
         ALL,
+
         /** Macro equivalent to: (FLAGS INTERNALDATE RFC822.SIZE). */
         FAST,
+
         /** Macro equivalent to: (FLAGS INTERNALDATE RFC822.SIZE ENVELOPE 
BODY). */
         FULL,
+
         /** Non-extensible form of BODYSTRUCTURE or the text of a particular 
body section. */
         BODY,
+
         /** The [MIME-IMB] body structure of the message. */
         BODYSTRUCTURE,
+
         /** The envelope structure of the message. */
         ENVELOPE,
+
         /** The flags that are set for this message. */
         FLAGS,
+
         /** The internal date of the message. */
         INTERNALDATE,
+
         /** A prefix for RFC-822 item names. */
         RFC822,
+
         /** The unique identifier for the message. */
         UID
     }
@@ -54,114 +64,149 @@ public class IMAPClient extends IMAP {
      * The search criteria defined in RFC 3501.
      */
     public enum SEARCH_CRITERIA {
+
         /** All messages in the mailbox. */
         ALL,
+
         /** Messages with the \Answered flag set. */
         ANSWERED,
+
         /**
          * Messages that contain the specified string in the envelope 
structure's BCC field.
          */
         BCC,
+
         /**
          * Messages whose internal date (disregarding time and time zone) is 
earlier than the specified date.
          */
         BEFORE,
+
         /**
          * Messages that contain the specified string in the body of the 
message.
          */
         BODY,
+
         /**
          * Messages that contain the specified string in the envelope 
structure's CC field.
          */
         CC,
+
         /** Messages with the \Deleted flag set. */
         DELETED,
+
         /** Messages with the \Draft flag set. */
         DRAFT,
+
         /** Messages with the \Flagged flag set. */
         FLAGGED,
+
         /**
          * Messages that contain the specified string in the envelope 
structure's FROM field.
          */
         FROM,
+
         /**
          * Messages that have a header with the specified field-name (as 
defined in [RFC-2822]) and that contains the specified string in the text of 
the header
          * (what comes after the colon). If the string to search is 
zero-length, this matches all messages that have a header line with the 
specified field-name
          * regardless of the contents.
          */
         HEADER,
+
         /** Messages with the specified keyword flag set. */
         KEYWORD,
+
         /**
          * Messages with an [RFC-2822] size larger than the specified number 
of octets.
          */
         LARGER,
+
         /**
          * Messages that have the \Recent flag set but not the \Seen flag. 
This is functionally equivalent to "(RECENT UNSEEN)".
          */
         NEW,
+
         /** Messages that do not match the specified search key. */
         NOT,
+
         /**
          * Messages that do not have the \Recent flag set. This is 
functionally equivalent to "NOT RECENT" (as opposed to "NOT NEW").
          */
         OLD,
+
         /**
          * Messages whose internal date (disregarding time and time zone) is 
within the specified date.
          */
         ON,
+
         /** Messages that match either search key. */
         OR,
+
         /** Messages that have the \Recent flag set. */
         RECENT,
+
         /** Messages that have the \Seen flag set. */
         SEEN,
+
         /**
          * Messages whose [RFC-2822] Date: header (disregarding time and time 
zone) is earlier than the specified date.
          */
         SENTBEFORE,
+
         /**
          * Messages whose [RFC-2822] Date: header (disregarding time and time 
zone) is within the specified date.
          */
         SENTON,
+
         /**
          * Messages whose [RFC-2822] Date: header (disregarding time and time 
zone) is within or later than the specified date.
          */
         SENTSINCE,
+
         /**
          * Messages whose internal date (disregarding time and time zone) is 
within or later than the specified date.
          */
         SINCE,
+
         /**
          * Messages with an [RFC-2822] size smaller than the specified number 
of octets.
          */
         SMALLER,
+
         /**
          * Messages that contain the specified string in the envelope 
structure's SUBJECT field.
          */
         SUBJECT,
+
         /**
          * Messages that contain the specified string in the header or body of 
the message.
          */
         TEXT,
+
         /**
          * Messages that contain the specified string in the envelope 
structure's TO field.
          */
         TO,
+
         /**
          * Messages with unique identifiers corresponding to the specified 
unique identifier set. Sequence set ranges are permitted.
          */
         UID,
+
         /** Messages that do not have the \Answered flag set. */
         UNANSWERED,
+
         /** Messages that do not have the \Deleted flag set. */
         UNDELETED,
+
         /** Messages that do not have the \Draft flag set. */
         UNDRAFT,
+
         /** Messages that do not have the \Flagged flag set. */
         UNFLAGGED,
+
         /** Messages that do not have the specified keyword flag set. */
         UNKEYWORD,
+
         /** Messages that do not have the \Seen flag set. */
         UNSEEN
     }
@@ -172,14 +217,19 @@ public class IMAPClient extends IMAP {
      * The status data items defined in RFC 3501.
      */
     public enum STATUS_DATA_ITEMS {
+
         /** The number of messages in the mailbox. */
         MESSAGES,
+
         /** The number of messages with the \Recent flag set. */
         RECENT,
+
         /** The next unique identifier value of the mailbox. */
         UIDNEXT,
+
         /** The unique identifier validity value of the mailbox. */
         UIDVALIDITY,
+
         /** The number of messages which do not have the \Seen flag set. */
         UNSEEN
     }
diff --git a/src/main/java/org/apache/commons/net/imap/IMAPCommand.java 
b/src/main/java/org/apache/commons/net/imap/IMAPCommand.java
index edad05ea..05c2380c 100644
--- a/src/main/java/org/apache/commons/net/imap/IMAPCommand.java
+++ b/src/main/java/org/apache/commons/net/imap/IMAPCommand.java
@@ -24,7 +24,6 @@ public enum IMAPCommand {
     // These enums must either use the same name as the IMAP command
     // or must provide the correct string as the parameter.
 
-    // Commands valid in any state:
     /**
      * Valid in any state.
      */
@@ -40,19 +39,18 @@ public enum IMAPCommand {
      */
     LOGOUT(0),
 
-    // Commands valid in Not Authenticated state
     /**
-     * Valid in Not Authenticated state
+     * Valid in Not Authenticated state.
      */
     STARTTLS(0),
 
     /**
-     * Valid in Not Authenticated state
+     * Valid in Not Authenticated state.
      */
     AUTHENTICATE(1),
 
     /**
-     * Valid in Not Authenticated state
+     * Valid in Not Authenticated state.
      */
     LOGIN(2),
 
@@ -61,7 +59,6 @@ public enum IMAPCommand {
      */
     XOAUTH(1),
 
-    // commands valid in authenticated state
     /**
      * Valid in authenticated state.
      */
@@ -86,22 +83,27 @@ public enum IMAPCommand {
      * Valid in authenticated state.
      */
     RENAME(2),
+
     /**
      * Valid in authenticated state.
      */
     SUBSCRIBE(1),
+
     /**
      * Valid in authenticated state.
      */
     UNSUBSCRIBE(1),
+
     /**
      * Valid in authenticated state.
      */
     LIST(2),
+
     /**
      * Valid in authenticated state.
      */
     LSUB(2),
+
     /**
      * Valid in authenticated state.
      */
@@ -112,7 +114,6 @@ public enum IMAPCommand {
      */
     APPEND(2, 4), // mbox [(flags)] [date-time] literal
 
-    // commands valid in selected state (substate of authenticated)
     /**
      * Valid in selected state (substate of authenticated).
      */
diff --git a/src/main/java/org/apache/commons/net/imap/IMAPReply.java 
b/src/main/java/org/apache/commons/net/imap/IMAPReply.java
index 428e9bcc..9c83a93d 100644
--- a/src/main/java/org/apache/commons/net/imap/IMAPReply.java
+++ b/src/main/java/org/apache/commons/net/imap/IMAPReply.java
@@ -27,6 +27,7 @@ import org.apache.commons.net.MalformedServerReplyException;
  * Stores IMAP reply code constants.
  */
 public final class IMAPReply {
+
     /** The reply code indicating success of an operation. */
     public static final int OK = 0;
 
diff --git a/src/main/java/org/apache/commons/net/imap/IMAPSClient.java 
b/src/main/java/org/apache/commons/net/imap/IMAPSClient.java
index 8ed3e554..de2efa10 100644
--- a/src/main/java/org/apache/commons/net/imap/IMAPSClient.java
+++ b/src/main/java/org/apache/commons/net/imap/IMAPSClient.java
@@ -60,6 +60,7 @@ import org.apache.commons.net.util.SSLSocketUtils;
  * {@link #setEndpointCheckingEnabled(boolean)} (on Java 1.7+) to enable 
verification.
  */
 public class IMAPSClient extends IMAPClient {
+
     /** The default IMAP over SSL port. */
     public static final int DEFAULT_IMAPS_PORT = 993;
 
@@ -68,14 +69,18 @@ public class IMAPSClient extends IMAPClient {
 
     /** The security mode. True - Implicit Mode / False - Explicit Mode. */
     private final boolean isImplicit;
+
     /** The secure socket protocol to be used, like SSL/TLS. */
     private final String protocol;
+
     /** The context object. */
     private SSLContext context;
+
     /**
      * The cipher suites. SSLSockets have a default set of these anyway, so no 
initialization required.
      */
     private String[] suites;
+
     /** The protocol versions. */
     private String[] protocols // null;
     ; // {"SSLv2", "SSLv3", "TLSv1", "TLSv1.1", "SSLv2Hello"};
diff --git a/src/main/java/org/apache/commons/net/io/CopyStreamListener.java 
b/src/main/java/org/apache/commons/net/io/CopyStreamListener.java
index 43572950..fe97df1c 100644
--- a/src/main/java/org/apache/commons/net/io/CopyStreamListener.java
+++ b/src/main/java/org/apache/commons/net/io/CopyStreamListener.java
@@ -30,6 +30,7 @@ import java.util.EventListener;
  * @see Util
  */
 public interface CopyStreamListener extends EventListener {
+
     /**
      * Accepts a source event after copying a block of bytes from a stream. 
The CopyStreamEvent will contain the total number of bytes transferred so far 
and
      * the number of bytes transferred in the last write.
diff --git a/src/main/java/org/apache/commons/net/nntp/ArticlePointer.java 
b/src/main/java/org/apache/commons/net/nntp/ArticlePointer.java
index 1aa1bc59..7e957fd2 100644
--- a/src/main/java/org/apache/commons/net/nntp/ArticlePointer.java
+++ b/src/main/java/org/apache/commons/net/nntp/ArticlePointer.java
@@ -26,8 +26,10 @@ package org.apache.commons.net.nntp;
  */
 @Deprecated
 public final class ArticlePointer {
+
     /** The number of the referenced article. */
     public int articleNumber;
+
     /**
      * The unique id of the referenced article, including the enclosing &lt; 
and &gt; symbols which are technically not part of the identifier, but are 
required
      * by all NNTP commands taking an article id as an argument.
diff --git a/src/main/java/org/apache/commons/net/nntp/NNTP.java 
b/src/main/java/org/apache/commons/net/nntp/NNTP.java
index ac4aecbb..c6430cef 100644
--- a/src/main/java/org/apache/commons/net/nntp/NNTP.java
+++ b/src/main/java/org/apache/commons/net/nntp/NNTP.java
@@ -59,6 +59,7 @@ import org.apache.commons.net.io.CRLFLineReader;
  */
 
 public class NNTP extends SocketClient {
+
     /** The default NNTP port. Its value is 119 according to RFC 977. */
     public static final int DEFAULT_PORT = 119;
 
diff --git a/src/main/java/org/apache/commons/net/nntp/NewsgroupInfo.java 
b/src/main/java/org/apache/commons/net/nntp/NewsgroupInfo.java
index 3e25e879..409cccd2 100644
--- a/src/main/java/org/apache/commons/net/nntp/NewsgroupInfo.java
+++ b/src/main/java/org/apache/commons/net/nntp/NewsgroupInfo.java
@@ -26,6 +26,7 @@ package org.apache.commons.net.nntp;
  */
 
 public final class NewsgroupInfo {
+
     /**
      * A constant indicating that the posting permission of a newsgroup is 
unknown. For example, the NNTP GROUP command does not return posting 
information, so
      * NewsgroupInfo instances obtained from that command will have an 
UNKNOWN_POSTING_PERMISSION.
diff --git a/src/main/java/org/apache/commons/net/ntp/NTPUDPClient.java 
b/src/main/java/org/apache/commons/net/ntp/NTPUDPClient.java
index 2ba9e03e..14b79a8f 100644
--- a/src/main/java/org/apache/commons/net/ntp/NTPUDPClient.java
+++ b/src/main/java/org/apache/commons/net/ntp/NTPUDPClient.java
@@ -31,6 +31,7 @@ import org.apache.commons.net.DatagramSocketClient;
  * Network Time Protocol is stateless.
  */
 public final class NTPUDPClient extends DatagramSocketClient {
+
     /** The default NTP port. It is set to 123 according to RFC 1305. */
     public static final int DEFAULT_PORT = 123;
 
diff --git a/src/main/java/org/apache/commons/net/pop3/POP3.java 
b/src/main/java/org/apache/commons/net/pop3/POP3.java
index 8606719d..a93561ef 100644
--- a/src/main/java/org/apache/commons/net/pop3/POP3.java
+++ b/src/main/java/org/apache/commons/net/pop3/POP3.java
@@ -49,16 +49,21 @@ import org.apache.commons.net.util.NetConstants;
  */
 
 public class POP3 extends SocketClient {
+
     /** The default POP3 port. Set to 110 according to RFC 1288. */
     public static final int DEFAULT_PORT = 110;
+
     /**
      * A constant representing the state where the client is not yet connected 
to a POP3 server.
      */
     public static final int DISCONNECTED_STATE = -1;
+
     /** A constant representing the POP3 authorization state. */
     public static final int AUTHORIZATION_STATE = 0;
+
     /** A constant representing the POP3 transaction state. */
     public static final int TRANSACTION_STATE = 1;
+
     /** A constant representing the POP3 update state. */
     public static final int UPDATE_STATE = 2;
 
diff --git a/src/main/java/org/apache/commons/net/pop3/POP3Command.java 
b/src/main/java/org/apache/commons/net/pop3/POP3Command.java
index 9f96d961..0ae1ce1d 100644
--- a/src/main/java/org/apache/commons/net/pop3/POP3Command.java
+++ b/src/main/java/org/apache/commons/net/pop3/POP3Command.java
@@ -22,36 +22,50 @@ package org.apache.commons.net.pop3;
  */
 
 public final class POP3Command {
+
     /** Send user name. */
     public static final int USER = 0;
+
     /** Send password. */
     public static final int PASS = 1;
+
     /** Quit session. */
     public static final int QUIT = 2;
+
     /** Gets status. */
     public static final int STAT = 3;
+
     /** List message(s). */
     public static final int LIST = 4;
+
     /** Retrieve message(s). */
     public static final int RETR = 5;
+
     /** Delete message(s). */
     public static final int DELE = 6;
+
     /** No operation. Used as a session keepalive. */
     public static final int NOOP = 7;
+
     /** Reset session. */
     public static final int RSET = 8;
+
     /** Authorization. */
     public static final int APOP = 9;
+
     /** Retrieve top number lines from message. */
     public static final int TOP = 10;
+
     /** List unique message identifier(s). */
     public static final int UIDL = 11;
+
     /**
      * The capabilities command.
      *
      * @since 3.0
      */
     public static final int CAPA = 12;
+
     /**
      * Authentication
      *
diff --git a/src/main/java/org/apache/commons/net/pop3/POP3Reply.java 
b/src/main/java/org/apache/commons/net/pop3/POP3Reply.java
index 7ddcbe0d..3bfea065 100644
--- a/src/main/java/org/apache/commons/net/pop3/POP3Reply.java
+++ b/src/main/java/org/apache/commons/net/pop3/POP3Reply.java
@@ -22,6 +22,7 @@ package org.apache.commons.net.pop3;
  */
 
 public final class POP3Reply {
+
     /** The reply code indicating success of an operation. */
     public static final int OK = 0;
 
diff --git a/src/main/java/org/apache/commons/net/pop3/POP3SClient.java 
b/src/main/java/org/apache/commons/net/pop3/POP3SClient.java
index 1071b0ea..fb7345b2 100644
--- a/src/main/java/org/apache/commons/net/pop3/POP3SClient.java
+++ b/src/main/java/org/apache/commons/net/pop3/POP3SClient.java
@@ -59,14 +59,18 @@ public class POP3SClient extends POP3Client {
 
     /** The security mode. True - Implicit Mode / False - Explicit Mode. */
     private final boolean isImplicit;
+
     /** The secure socket protocol to be used, like SSL/TLS. */
     private final String protocol;
+
     /** The context object. */
     private SSLContext context;
+
     /**
      * The cipher suites. SSLSockets have a default set of these anyway, so no 
initialization required.
      */
     private String[] suites;
+
     /** The protocol versions. */
     private String[] protocols // null;
     ; // {"SSLv2", "SSLv3", "TLSv1", "TLSv1.1", "SSLv2Hello"};
diff --git a/src/main/java/org/apache/commons/net/smtp/SMTP.java 
b/src/main/java/org/apache/commons/net/smtp/SMTP.java
index 5611e773..6102397c 100644
--- a/src/main/java/org/apache/commons/net/smtp/SMTP.java
+++ b/src/main/java/org/apache/commons/net/smtp/SMTP.java
@@ -61,6 +61,7 @@ import org.apache.commons.net.util.NetConstants;
  */
 
 public class SMTP extends SocketClient {
+
     /** The default SMTP port (25). */
     public static final int DEFAULT_PORT = 25;
 
diff --git a/src/main/java/org/apache/commons/net/smtp/SMTPSClient.java 
b/src/main/java/org/apache/commons/net/smtp/SMTPSClient.java
index 77099d7d..184ee8c4 100644
--- a/src/main/java/org/apache/commons/net/smtp/SMTPSClient.java
+++ b/src/main/java/org/apache/commons/net/smtp/SMTPSClient.java
@@ -60,23 +60,28 @@ import org.apache.commons.net.util.SSLSocketUtils;
  * @since 3.0
  */
 public class SMTPSClient extends SMTPClient {
+
     /** Default secure socket protocol name, like TLS */
     private static final String DEFAULT_PROTOCOL = "TLS";
 
     /** The security mode. True - Implicit Mode / False - Explicit Mode. */
 
     private final boolean isImplicit;
+
     /** The secure socket protocol to be used, like SSL/TLS. */
 
     private final String protocol;
+
     /** The context object. */
 
     private SSLContext context;
+
     /**
      * The cipher suites. SSLSockets have a default set of these anyway, so no 
initialization required.
      */
 
     private String[] suites;
+
     /** The protocol versions. */
 
     private String[] protocols;
diff --git a/src/main/java/org/apache/commons/net/telnet/EchoOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/EchoOptionHandler.java
index 17d65c11..d66c5af4 100644
--- a/src/main/java/org/apache/commons/net/telnet/EchoOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/EchoOptionHandler.java
@@ -21,6 +21,7 @@ package org.apache.commons.net.telnet;
  * Implements the Telnet echo option RFC 857.
  */
 public class EchoOptionHandler extends TelnetOptionHandler {
+
     /**
      * Constructor for the EchoOptionHandler. Initial and accept behavior 
flags are set to false
      */
diff --git 
a/src/main/java/org/apache/commons/net/telnet/SimpleOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/SimpleOptionHandler.java
index abce8eb9..c91c19de 100644
--- a/src/main/java/org/apache/commons/net/telnet/SimpleOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/SimpleOptionHandler.java
@@ -21,6 +21,7 @@ package org.apache.commons.net.telnet;
  * Simple option handler that can be used for options that don't require 
subnegotiation.
  */
 public class SimpleOptionHandler extends TelnetOptionHandler {
+
     /**
      * Constructor for the SimpleOptionHandler. Initial and accept behavior 
flags are set to false
      *
diff --git 
a/src/main/java/org/apache/commons/net/telnet/SuppressGAOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/SuppressGAOptionHandler.java
index fdbf6e17..e0ccd575 100644
--- a/src/main/java/org/apache/commons/net/telnet/SuppressGAOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/SuppressGAOptionHandler.java
@@ -21,6 +21,7 @@ package org.apache.commons.net.telnet;
  * Implements the Telnet suppress go ahead option RFC 858.
  */
 public class SuppressGAOptionHandler extends TelnetOptionHandler {
+
     /**
      * Constructor for the SuppressGAOptionHandler. Initial and accept 
behavior flags are set to false
      */
diff --git a/src/main/java/org/apache/commons/net/telnet/Telnet.java 
b/src/main/java/org/apache/commons/net/telnet/Telnet.java
index e4e25123..98c2b08a 100644
--- a/src/main/java/org/apache/commons/net/telnet/Telnet.java
+++ b/src/main/java/org/apache/commons/net/telnet/Telnet.java
@@ -51,15 +51,16 @@ class Telnet extends SocketClient {
     /* public */
     static final int DEFAULT_PORT = 23;
 
-    /* TERMINAL-TYPE option (start) */
     /**
-     * Terminal type option
+     * Terminal type option (start).
      */
     protected static final int TERMINAL_TYPE = 24;
+
     /**
      * Send (for subnegotiation)
      */
     protected static final int TERMINAL_TYPE_SEND = 1;
+
     /**
      * Is (for subnegotiation)
      */
diff --git a/src/main/java/org/apache/commons/net/telnet/TelnetCommand.java 
b/src/main/java/org/apache/commons/net/telnet/TelnetCommand.java
index b5303083..f3b49339 100644
--- a/src/main/java/org/apache/commons/net/telnet/TelnetCommand.java
+++ b/src/main/java/org/apache/commons/net/telnet/TelnetCommand.java
@@ -25,6 +25,7 @@ package org.apache.commons.net.telnet;
  */
 
 public final class TelnetCommand {
+
     /** The maximum value a command code can have. This value is 255. */
     public static final int MAX_COMMAND_VALUE = 255;
 
diff --git a/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java 
b/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
index 6b1f1d2d..36ebda62 100644
--- a/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
+++ b/src/main/java/org/apache/commons/net/telnet/TelnetInputStream.java
@@ -23,6 +23,7 @@ import java.io.InputStream;
 import java.io.InterruptedIOException;
 
 final class TelnetInputStream extends BufferedInputStream implements Runnable {
+
     /** End of file has been reached */
     private static final int EOF = -1;
 
diff --git 
a/src/main/java/org/apache/commons/net/telnet/TelnetNotificationHandler.java 
b/src/main/java/org/apache/commons/net/telnet/TelnetNotificationHandler.java
index f88788c2..3d857d15 100644
--- a/src/main/java/org/apache/commons/net/telnet/TelnetNotificationHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/TelnetNotificationHandler.java
@@ -25,6 +25,7 @@ package org.apache.commons.net.telnet;
  * </p>
  */
 public interface TelnetNotificationHandler {
+
     /**
      * The remote party sent a DO command.
      */
diff --git a/src/main/java/org/apache/commons/net/telnet/TelnetOption.java 
b/src/main/java/org/apache/commons/net/telnet/TelnetOption.java
index 8d6c98bd..a2463b97 100644
--- a/src/main/java/org/apache/commons/net/telnet/TelnetOption.java
+++ b/src/main/java/org/apache/commons/net/telnet/TelnetOption.java
@@ -27,6 +27,7 @@ package org.apache.commons.net.telnet;
  * @see org.apache.commons.net.telnet.TelnetClient
  */
 public class TelnetOption {
+
     /** The maximum value an option code can have. This value is 255. */
     public static final int MAX_OPTION_VALUE = 255;
 
diff --git 
a/src/main/java/org/apache/commons/net/telnet/TelnetOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/TelnetOptionHandler.java
index 398a84a7..b5b81072 100644
--- a/src/main/java/org/apache/commons/net/telnet/TelnetOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/TelnetOptionHandler.java
@@ -24,6 +24,7 @@ package org.apache.commons.net.telnet;
  * </p>
  */
 public abstract class TelnetOptionHandler {
+
     /**
      * Option code
      */
diff --git 
a/src/main/java/org/apache/commons/net/telnet/TerminalTypeOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/TerminalTypeOptionHandler.java
index eab0e519..f34a6bec 100644
--- a/src/main/java/org/apache/commons/net/telnet/TerminalTypeOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/TerminalTypeOptionHandler.java
@@ -21,6 +21,7 @@ package org.apache.commons.net.telnet;
  * Implements the Telnet terminal type option RFC 1091.
  */
 public class TerminalTypeOptionHandler extends TelnetOptionHandler {
+
     /**
      * Terminal type option
      */
diff --git 
a/src/main/java/org/apache/commons/net/telnet/WindowSizeOptionHandler.java 
b/src/main/java/org/apache/commons/net/telnet/WindowSizeOptionHandler.java
index 96390fcc..99a0ef62 100644
--- a/src/main/java/org/apache/commons/net/telnet/WindowSizeOptionHandler.java
+++ b/src/main/java/org/apache/commons/net/telnet/WindowSizeOptionHandler.java
@@ -23,6 +23,7 @@ package org.apache.commons.net.telnet;
  * @since 2.0
  */
 public class WindowSizeOptionHandler extends TelnetOptionHandler {
+
     /**
      * Window size option
      */
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPAckPacket.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPAckPacket.java
index 8c69c1ca..1d969e52 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPAckPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPAckPacket.java
@@ -35,6 +35,7 @@ import java.net.InetAddress;
  */
 
 public final class TFTPAckPacket extends TFTPPacket {
+
     /** The block number being acknowledged by the packet. */
     int blockNumber;
 
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPClient.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPClient.java
index 44891908..511c3100 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPClient.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPClient.java
@@ -46,6 +46,7 @@ import org.apache.commons.net.io.ToNetASCIIInputStream;
  */
 
 public class TFTPClient extends TFTP {
+
     /**
      * The default number of times a {@code receive} attempt is allowed to 
timeout before ending attempts to retry the {@code receive} and failing.
      * The default is 5 timeouts.
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPDataPacket.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPDataPacket.java
index 296be691..d70479be 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPDataPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPDataPacket.java
@@ -35,6 +35,7 @@ import java.net.InetAddress;
  */
 
 public final class TFTPDataPacket extends TFTPPacket {
+
     /** The maximum number of bytes in a TFTP data packet (512) */
     public static final int MAX_DATA_LENGTH = 512;
 
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
index 406ee8f2..c2586627 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPErrorPacket.java
@@ -36,6 +36,7 @@ import java.nio.charset.Charset;
  */
 
 public final class TFTPErrorPacket extends TFTPPacket {
+
     /** The undefined error code according to RFC 783, value 0. */
     public static final int UNDEFINED = 0;
 
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPPacket.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPPacket.java
index 59b4eb46..4439410b 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPPacket.java
@@ -36,6 +36,7 @@ import java.net.InetAddress;
  */
 
 public abstract class TFTPPacket {
+
     /**
      * The minimum size of a packet. This is 4 bytes. It is enough to store 
the opcode and blocknumber or other required data depending on the packet type.
      */
diff --git a/src/main/java/org/apache/commons/net/tftp/TFTPRequestPacket.java 
b/src/main/java/org/apache/commons/net/tftp/TFTPRequestPacket.java
index 159c6ae9..eeeacc01 100644
--- a/src/main/java/org/apache/commons/net/tftp/TFTPRequestPacket.java
+++ b/src/main/java/org/apache/commons/net/tftp/TFTPRequestPacket.java
@@ -43,6 +43,7 @@ import java.util.Map;
  */
 
 public abstract class TFTPRequestPacket extends TFTPPacket {
+
     /**
      * An array containing the string names of the transfer modes and indexed 
by the transfer mode constants.
      */
diff --git a/src/main/java/org/apache/commons/net/time/TimeTCPClient.java 
b/src/main/java/org/apache/commons/net/time/TimeTCPClient.java
index 4737aa4b..e2c45866 100644
--- a/src/main/java/org/apache/commons/net/time/TimeTCPClient.java
+++ b/src/main/java/org/apache/commons/net/time/TimeTCPClient.java
@@ -33,6 +33,7 @@ import org.apache.commons.net.SocketClient;
  */
 
 public final class TimeTCPClient extends SocketClient {
+
     /** The default time port. It is set to 37 according to RFC 868. */
     public static final int DEFAULT_PORT = 37;
 
diff --git a/src/main/java/org/apache/commons/net/util/SubnetUtils.java 
b/src/main/java/org/apache/commons/net/util/SubnetUtils.java
index 5fe7fae5..99f9a148 100644
--- a/src/main/java/org/apache/commons/net/util/SubnetUtils.java
+++ b/src/main/java/org/apache/commons/net/util/SubnetUtils.java
@@ -351,6 +351,7 @@ public class SubnetUtils {
             builder.append('.');
         }
     }
+
     /**
      * Extracts the components of a dotted decimal address and pack into an 
integer using a regex match
      */
diff --git a/src/main/java/org/apache/commons/net/whois/WhoisClient.java 
b/src/main/java/org/apache/commons/net/whois/WhoisClient.java
index b159fbc6..1f9818de 100644
--- a/src/main/java/org/apache/commons/net/whois/WhoisClient.java
+++ b/src/main/java/org/apache/commons/net/whois/WhoisClient.java
@@ -44,6 +44,7 @@ import org.apache.commons.net.finger.FingerClient;
  */
 
 public final class WhoisClient extends FingerClient {
+
     /**
      * The default whois host to query. It is set to whois.internic.net.
      */
diff --git 
a/src/test/java/org/apache/commons/net/telnet/SimpleOptionHandlerTest.java 
b/src/test/java/org/apache/commons/net/telnet/SimpleOptionHandlerTest.java
index 16ca0a4b..8c418212 100644
--- a/src/test/java/org/apache/commons/net/telnet/SimpleOptionHandlerTest.java
+++ b/src/test/java/org/apache/commons/net/telnet/SimpleOptionHandlerTest.java
@@ -26,6 +26,7 @@ import org.junit.jupiter.api.Test;
  * JUnit test class for SimpleOptionHandler
  */
 public class SimpleOptionHandlerTest extends AbstractTelnetOptionHandlerTest {
+
     /**
      * setUp for the test.
      */
diff --git a/src/test/java/org/apache/commons/net/telnet/TelnetClientTest.java 
b/src/test/java/org/apache/commons/net/telnet/TelnetClientTest.java
index 7e431614..7d7222f4 100644
--- a/src/test/java/org/apache/commons/net/telnet/TelnetClientTest.java
+++ b/src/test/java/org/apache/commons/net/telnet/TelnetClientTest.java
@@ -36,6 +36,7 @@ import org.junit.jupiter.api.Test;
  * JUnit test class for TelnetClient.s Implements protocol compliance tests
  */
 public class TelnetClientTest implements TelnetNotificationHandler {
+
     /**
      * Handy holder to hold both sides of the connection used in testing for 
clarity.
      */
diff --git a/src/test/java/org/apache/commons/net/telnet/TelnetOptionTest.java 
b/src/test/java/org/apache/commons/net/telnet/TelnetOptionTest.java
index 83643624..f7aa0abe 100644
--- a/src/test/java/org/apache/commons/net/telnet/TelnetOptionTest.java
+++ b/src/test/java/org/apache/commons/net/telnet/TelnetOptionTest.java
@@ -26,6 +26,7 @@ import org.junit.jupiter.api.Test;
  * JUnit test class for TelnetOption
  */
 public class TelnetOptionTest {
+
     /**
      * test of the getOption method.
      */
diff --git 
a/src/test/java/org/apache/commons/net/telnet/WindowSizeOptionHandlerTest.java 
b/src/test/java/org/apache/commons/net/telnet/WindowSizeOptionHandlerTest.java
index bb5fc5e6..e7a08d8b 100644
--- 
a/src/test/java/org/apache/commons/net/telnet/WindowSizeOptionHandlerTest.java
+++ 
b/src/test/java/org/apache/commons/net/telnet/WindowSizeOptionHandlerTest.java
@@ -26,6 +26,7 @@ import org.junit.jupiter.api.Test;
  * JUnit test class for TerminalTypeOptionHandler
  */
 public class WindowSizeOptionHandlerTest extends 
AbstractTelnetOptionHandlerTest {
+
     /**
      * compares two arrays of int
      */


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