39  * Unless otherwise specified, passing a {@code null} argument causes
  40  * a {@link NullPointerException NullPointerException} to be thrown.
  41  *
  42  * <p>
  43  * Methods and constructors of {@code DatagramPacket} accept parameters
  44  * of type {@link SocketAddress}. {@code DatagramPacket} supports
  45  * {@link InetSocketAddress}, and may support additional {@code SocketAddress}
  46  * sub-types.
  47  *
  48  * @author  Pavani Diwanji
  49  * @author  Benjamin Renaud
  50  * @since   1.0
  51  */
  52 public final
  53 class DatagramPacket {
  54 
  55     /**
  56      * Perform class initialization
  57      */
  58     static {
  59         jdk.internal.loader.BootLoader.loadLibrary("net");
  60         init();
  61     }
  62 
  63     /*
  64      * The fields of this class are package-private since DatagramSocketImpl
  65      * classes needs to access them.
  66      */
  67     byte[] buf;
  68     int offset;
  69     int length;
  70     int bufLength;
  71     InetAddress address;
  72     int port;
  73 
  74     /**
  75      * Constructs a {@code DatagramPacket} for receiving packets of
  76      * length {@code length}, specifying an offset into the buffer.
  77      * <p>
  78      * The {@code length} argument must be less than or equal to
  79      * {@code buf.length}.

  39  * Unless otherwise specified, passing a {@code null} argument causes
  40  * a {@link NullPointerException NullPointerException} to be thrown.
  41  *
  42  * <p>
  43  * Methods and constructors of {@code DatagramPacket} accept parameters
  44  * of type {@link SocketAddress}. {@code DatagramPacket} supports
  45  * {@link InetSocketAddress}, and may support additional {@code SocketAddress}
  46  * sub-types.
  47  *
  48  * @author  Pavani Diwanji
  49  * @author  Benjamin Renaud
  50  * @since   1.0
  51  */
  52 public final
  53 class DatagramPacket {
  54 
  55     /**
  56      * Perform class initialization
  57      */
  58     static {
  59         sun.security.action.LoadLibraryAction.privilegedLoadLibrary("net");
  60         init();
  61     }
  62 
  63     /*
  64      * The fields of this class are package-private since DatagramSocketImpl
  65      * classes needs to access them.
  66      */
  67     byte[] buf;
  68     int offset;
  69     int length;
  70     int bufLength;
  71     InetAddress address;
  72     int port;
  73 
  74     /**
  75      * Constructs a {@code DatagramPacket} for receiving packets of
  76      * length {@code length}, specifying an offset into the buffer.
  77      * <p>
  78      * The {@code length} argument must be less than or equal to
  79      * {@code buf.length}.