8237075: @SInCE tag missing from DatagramSocket and MulticastSocket m…

…ethods

Methods from DatagramSocket and MulticastSocket added in JDK1.2 do not have their @SInCE tags. This fix adds them in

Reviewed-by: alanb, chegar, dfuchs

src/java.base/share/classes/java/net/DatagramSocket.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -499,6 +499,7 @@ void checkAddress (InetAddress addr, String op) {
      *         not permit access to the given remote address
      *
      * @see #disconnect
+     * @since 1.2
      */
     public void connect(InetAddress address, int port) {
         try {
@@ -546,6 +547,7 @@ public void connect(SocketAddress addr) throws SocketException {
      * then this method has no effect.
      *
      * @see #connect
+     * @since 1.2
      */
     public void disconnect() {
         synchronized (this) {
@@ -598,6 +600,7 @@ public boolean isConnected() {
      * after the socket is closed.
      *
      * @return the address to which this socket is connected.
+     * @since 1.2
      */
     public InetAddress getInetAddress() {
         return connectedAddress;
@@ -612,6 +615,7 @@ public InetAddress getInetAddress() {
      * after the socket is closed.
      *
      * @return the port number to which this socket is connected.
+     * @since 1.2
      */
     public int getPort() {
         return connectedPort;
@@ -1009,6 +1013,7 @@ public synchronized int getSoTimeout() throws SocketException {
      * @throws    IllegalArgumentException if the value is 0 or is
      * negative.
      * @see #getSendBufferSize()
+     * @since 1.2
      */
     public synchronized void setSendBufferSize(int size) throws SocketException {
         if (!(size > 0)) {
@@ -1027,6 +1032,7 @@ public synchronized void setSendBufferSize(int size) throws SocketException {
      * @throws    SocketException if there is an error in
      * the underlying protocol, such as an UDP error.
      * @see #setSendBufferSize
+     * @since 1.2
      */
     public synchronized int getSendBufferSize() throws SocketException {
         if (isClosed())
@@ -1066,6 +1072,7 @@ public synchronized int getSendBufferSize() throws SocketException {
      * @throws    IllegalArgumentException if the value is 0 or is
      * negative.
      * @see #getReceiveBufferSize()
+     * @since 1.2
      */
     public synchronized void setReceiveBufferSize(int size) throws SocketException {
         if (size <= 0) {
@@ -1083,6 +1090,7 @@ public synchronized void setReceiveBufferSize(int size) throws SocketException {
      * @return the value of the SO_RCVBUF option for this {@code DatagramSocket}
      * @throws    SocketException if there is an error in the underlying protocol, such as an UDP error.
      * @see #setReceiveBufferSize(int)
+     * @since 1.2
      */
     public synchronized int getReceiveBufferSize() throws SocketException {
         if (isClosed())

src/java.base/share/classes/java/net/MulticastSocket.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -280,6 +280,7 @@ public void setTTL(byte ttl) throws IOException {
      *          default time-to-live value
      *
      * @see #getTimeToLive()
+     * @since 1.2
      */
     public void setTimeToLive(int ttl) throws IOException {
         if (ttl < 0 || ttl > 255) {
@@ -315,6 +316,7 @@ public byte getTTL() throws IOException {
      * getting the default time-to-live value
      * @return the default time-to-live value
      * @see #setTimeToLive(int)
+     * @since 1.2
      */
     public int getTimeToLive() throws IOException {
         if (isClosed())