java/11 : java.base/java/net/DatagramSocketImpl.class

DatagramSocketImpl
https://openjdk.java.net/
GPLv2 + Classpath Exception
public abstract class java.net.DatagramSocketImpl implements java.net.SocketOptions
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.net.DatagramSocketImpl
  super_class: java.lang.Object
{
  protected int localPort;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected java.io.FileDescriptor fd;
    descriptor: Ljava/io/FileDescriptor;
    flags: (0x0004) ACC_PROTECTED

  java.net.DatagramSocket socket;
    descriptor: Ljava/net/DatagramSocket;
    flags: (0x0000) 

  private static final java.util.Set<java.net.SocketOption<?>> dgSocketOptions;
    descriptor: Ljava/util/Set;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Set<Ljava/net/SocketOption<*>;>;

  private static final java.util.Set<java.net.SocketOption<?>> mcSocketOptions;
    descriptor: Ljava/util/Set;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Set<Ljava/net/SocketOption<*>;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=7, locals=0, args_size=0
         0: .line 358
            getstatic java.net.StandardSocketOptions.SO_SNDBUF:Ljava/net/SocketOption;
         1: .line 359
            getstatic java.net.StandardSocketOptions.SO_RCVBUF:Ljava/net/SocketOption;
         2: .line 360
            getstatic java.net.StandardSocketOptions.SO_REUSEADDR:Ljava/net/SocketOption;
         3: .line 361
            getstatic java.net.StandardSocketOptions.IP_TOS:Ljava/net/SocketOption;
         4: .line 358
            invokestatic java.util.Set.of:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/util/Set;
            putstatic java.net.DatagramSocketImpl.dgSocketOptions:Ljava/util/Set;
         5: .line 363
            getstatic java.net.StandardSocketOptions.SO_SNDBUF:Ljava/net/SocketOption;
         6: .line 364
            getstatic java.net.StandardSocketOptions.SO_RCVBUF:Ljava/net/SocketOption;
         7: .line 365
            getstatic java.net.StandardSocketOptions.SO_REUSEADDR:Ljava/net/SocketOption;
         8: .line 366
            getstatic java.net.StandardSocketOptions.IP_TOS:Ljava/net/SocketOption;
         9: .line 367
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_IF:Ljava/net/SocketOption;
        10: .line 368
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_TTL:Ljava/net/SocketOption;
        11: .line 369
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_LOOP:Ljava/net/SocketOption;
        12: .line 363
            invokestatic java.util.Set.of:(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/util/Set;
            putstatic java.net.DatagramSocketImpl.mcSocketOptions:Ljava/util/Set;
        13: .line 370
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  void setDatagramSocket(java.net.DatagramSocket);
    descriptor: (Ljava/net/DatagramSocket;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.net.DatagramSocketImpl this
        start local 1 // java.net.DatagramSocket socket
         0: .line 57
            aload 0 /* this */
            aload 1 /* socket */
            putfield java.net.DatagramSocketImpl.socket:Ljava/net/DatagramSocket;
         1: .line 58
            return
        end local 1 // java.net.DatagramSocket socket
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Ljava/net/DatagramSocketImpl;
            0    2     1  socket  Ljava/net/DatagramSocket;
    MethodParameters:
        Name  Flags
      socket  

  java.net.DatagramSocket getDatagramSocket();
    descriptor: ()Ljava/net/DatagramSocket;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 61
            aload 0 /* this */
            getfield java.net.DatagramSocketImpl.socket:Ljava/net/DatagramSocket;
            areturn
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  int dataAvailable();
    descriptor: ()I
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 67
            iconst_0
            ireturn
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  protected abstract void create();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.net.SocketException

  protected abstract void bind(int, java.net.InetAddress);
    descriptor: (ILjava/net/InetAddress;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.net.SocketException
    MethodParameters:
       Name  Flags
      lport  
      laddr  

  protected abstract void send(java.net.DatagramPacket);
    descriptor: (Ljava/net/DatagramPacket;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      p     

  protected void connect(java.net.InetAddress, int);
    descriptor: (Ljava/net/InetAddress;I)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=0, locals=3, args_size=3
        start local 0 // java.net.DatagramSocketImpl this
        start local 1 // java.net.InetAddress address
        start local 2 // int port
         0: .line 115
            return
        end local 2 // int port
        end local 1 // java.net.InetAddress address
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Ljava/net/DatagramSocketImpl;
            0    1     1  address  Ljava/net/InetAddress;
            0    1     2     port  I
    Exceptions:
      throws java.net.SocketException
    MethodParameters:
         Name  Flags
      address  
      port     

  protected void disconnect();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 121
            return
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  protected abstract int peek(java.net.InetAddress);
    descriptor: (Ljava/net/InetAddress;)I
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  protected abstract int peekData(java.net.DatagramPacket);
    descriptor: (Ljava/net/DatagramPacket;)I
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      p     

  protected abstract void receive(java.net.DatagramPacket);
    descriptor: (Ljava/net/DatagramPacket;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      p     

  protected abstract void setTTL(byte);
    descriptor: (B)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
      Name  Flags
      ttl   

  protected abstract byte getTTL();
    descriptor: ()B
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  protected abstract void setTimeToLive(int);
    descriptor: (I)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      ttl   

  protected abstract int getTimeToLive();
    descriptor: ()I
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  protected abstract void join(java.net.InetAddress);
    descriptor: (Ljava/net/InetAddress;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      inetaddr  

  protected abstract void leave(java.net.InetAddress);
    descriptor: (Ljava/net/InetAddress;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      inetaddr  

  protected abstract void joinGroup(java.net.SocketAddress, java.net.NetworkInterface);
    descriptor: (Ljava/net/SocketAddress;Ljava/net/NetworkInterface;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      mcastaddr  
      netIf      

  protected abstract void leaveGroup(java.net.SocketAddress, java.net.NetworkInterface);
    descriptor: (Ljava/net/SocketAddress;Ljava/net/NetworkInterface;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      mcastaddr  
      netIf      

  protected abstract void close();
    descriptor: ()V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT

  protected int getLocalPort();
    descriptor: ()I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 253
            aload 0 /* this */
            getfield java.net.DatagramSocketImpl.localPort:I
            ireturn
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  protected java.io.FileDescriptor getFileDescriptor();
    descriptor: ()Ljava/io/FileDescriptor;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 262
            aload 0 /* this */
            getfield java.net.DatagramSocketImpl.fd:Ljava/io/FileDescriptor;
            areturn
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/net/DatagramSocketImpl;

  protected <T> void setOption(java.net.SocketOption<T>, );
    descriptor: (Ljava/net/SocketOption;Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.net.DatagramSocketImpl this
        start local 1 // java.net.SocketOption name
        start local 2 // java.lang.Object value
         0: .line 282
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_SNDBUF:Ljava/net/SocketOption;
            if_acmpne 3
         1: .line 283
            aload 0 /* this */
            sipush 4097
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
         2: .line 284
            goto 31
      StackMap locals:
      StackMap stack:
         3: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_RCVBUF:Ljava/net/SocketOption;
            if_acmpne 6
         4: .line 285
            aload 0 /* this */
            sipush 4098
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
         5: .line 286
            goto 31
      StackMap locals:
      StackMap stack:
         6: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_REUSEADDR:Ljava/net/SocketOption;
            if_acmpne 9
         7: .line 287
            aload 0 /* this */
            iconst_4
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
         8: .line 288
            goto 31
      StackMap locals:
      StackMap stack:
         9: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_REUSEPORT:Ljava/net/SocketOption;
            if_acmpne 13
        10: .line 289
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.supportedOptions:()Ljava/util/Set;
            aload 1 /* name */
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 13
        11: .line 290
            aload 0 /* this */
            bipush 14
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
        12: .line 291
            goto 31
      StackMap locals:
      StackMap stack:
        13: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_TOS:Ljava/net/SocketOption;
            if_acmpne 16
        14: .line 292
            aload 0 /* this */
            iconst_3
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
        15: .line 293
            goto 31
      StackMap locals:
      StackMap stack:
        16: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_IF:Ljava/net/SocketOption;
            if_acmpne 20
        17: .line 294
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 20
        18: .line 295
            aload 0 /* this */
            bipush 31
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
        19: .line 296
            goto 31
      StackMap locals:
      StackMap stack:
        20: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_TTL:Ljava/net/SocketOption;
            if_acmpne 26
        21: .line 297
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 26
        22: .line 298
            aload 2 /* value */
            instanceof java.lang.Integer
            ifne 24
        23: .line 299
            new java.lang.IllegalArgumentException
            dup
            ldc "not an integer"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        24: .line 301
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* value */
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            invokevirtual java.net.DatagramSocketImpl.setTimeToLive:(I)V
        25: .line 302
            goto 31
      StackMap locals:
      StackMap stack:
        26: aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_LOOP:Ljava/net/SocketOption;
            if_acmpne 30
        27: .line 303
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 30
        28: .line 304
            aload 0 /* this */
            bipush 18
            aload 2 /* value */
            invokevirtual java.net.DatagramSocketImpl.setOption:(ILjava/lang/Object;)V
        29: .line 305
            goto 31
        30: .line 306
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            ldc "unsupported option"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        31: .line 308
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.Object value
        end local 1 // java.net.SocketOption name
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   32     0   this  Ljava/net/DatagramSocketImpl;
            0   32     1   name  Ljava/net/SocketOption<TT;>;
            0   32     2  value  TT;
    Exceptions:
      throws java.io.IOException
    Signature: <T:Ljava/lang/Object;>(Ljava/net/SocketOption<TT;>;TT;)V
    MethodParameters:
       Name  Flags
      name   
      value  

  protected <T> T getOption(java.net.SocketOption<T>);
    descriptor: (Ljava/net/SocketOption;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.net.DatagramSocketImpl this
        start local 1 // java.net.SocketOption name
         0: .line 327
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_SNDBUF:Ljava/net/SocketOption;
            if_acmpne 2
         1: .line 328
            aload 0 /* this */
            sipush 4097
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
         2: .line 329
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_RCVBUF:Ljava/net/SocketOption;
            if_acmpne 4
         3: .line 330
            aload 0 /* this */
            sipush 4098
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
         4: .line 331
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_REUSEADDR:Ljava/net/SocketOption;
            if_acmpne 6
         5: .line 332
            aload 0 /* this */
            iconst_4
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
         6: .line 333
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.SO_REUSEPORT:Ljava/net/SocketOption;
            if_acmpne 9
         7: .line 334
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.supportedOptions:()Ljava/util/Set;
            aload 1 /* name */
            invokeinterface java.util.Set.contains:(Ljava/lang/Object;)Z
            ifeq 9
         8: .line 335
            aload 0 /* this */
            bipush 14
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
         9: .line 336
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_TOS:Ljava/net/SocketOption;
            if_acmpne 11
        10: .line 337
            aload 0 /* this */
            iconst_3
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
        11: .line 338
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_IF:Ljava/net/SocketOption;
            if_acmpne 14
        12: .line 339
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 14
        13: .line 340
            aload 0 /* this */
            bipush 31
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
        14: .line 341
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_TTL:Ljava/net/SocketOption;
            if_acmpne 18
        15: .line 342
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 18
        16: .line 343
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getTimeToLive:()I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            astore 2 /* ttl */
        start local 2 // java.lang.Integer ttl
        17: .line 344
            aload 2 /* ttl */
            areturn
        end local 2 // java.lang.Integer ttl
        18: .line 345
      StackMap locals:
      StackMap stack:
            aload 1 /* name */
            getstatic java.net.StandardSocketOptions.IP_MULTICAST_LOOP:Ljava/net/SocketOption;
            if_acmpne 21
        19: .line 346
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 21
        20: .line 347
            aload 0 /* this */
            bipush 18
            invokevirtual java.net.DatagramSocketImpl.getOption:(I)Ljava/lang/Object;
            areturn
        21: .line 349
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            ldc "unsupported option"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.net.SocketOption name
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   22     0  this  Ljava/net/DatagramSocketImpl;
            0   22     1  name  Ljava/net/SocketOption<TT;>;
           17   18     2   ttl  Ljava/lang/Integer;
    Exceptions:
      throws java.io.IOException
    Signature: <T:Ljava/lang/Object;>(Ljava/net/SocketOption<TT;>;)TT;
    MethodParameters:
      Name  Flags
      name  

  protected java.util.Set<java.net.SocketOption<?>> supportedOptions();
    descriptor: ()Ljava/util/Set;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.net.DatagramSocketImpl this
         0: .line 381
            aload 0 /* this */
            invokevirtual java.net.DatagramSocketImpl.getDatagramSocket:()Ljava/net/DatagramSocket;
            instanceof java.net.MulticastSocket
            ifeq 2
         1: .line 382
            getstatic java.net.DatagramSocketImpl.mcSocketOptions:Ljava/util/Set;
            areturn
         2: .line 384
      StackMap locals:
      StackMap stack:
            getstatic java.net.DatagramSocketImpl.dgSocketOptions:Ljava/util/Set;
            areturn
        end local 0 // java.net.DatagramSocketImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/net/DatagramSocketImpl;
    Signature: ()Ljava/util/Set<Ljava/net/SocketOption<*>;>;
}
SourceFile: "DatagramSocketImpl.java"
/

java/ 11/ java.base/java/net/DatagramSocketImpl.class
