public abstract class java.nio.channels.FileChannel extends java.nio.channels.spi.AbstractInterruptibleChannel implements java.nio.channels.SeekableByteChannel, java.nio.channels.GatheringByteChannel, java.nio.channels.ScatteringByteChannel
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.nio.channels.FileChannel
  super_class: java.nio.channels.spi.AbstractInterruptibleChannel
{
  private static final java.nio.file.attribute.FileAttribute<?>[] NO_ATTRIBUTES;
    descriptor: [Ljava/nio/file/attribute/FileAttribute;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: [Ljava/nio/file/attribute/FileAttribute<*>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 296
            iconst_0
            anewarray java.nio.file.attribute.FileAttribute
            putstatic java.nio.channels.FileChannel.NO_ATTRIBUTES:[Ljava/nio/file/attribute/FileAttribute;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.nio.channels.FileChannel this
         0: .line 162
            aload 0 /* this */
            invokespecial java.nio.channels.spi.AbstractInterruptibleChannel.<init>:()V
            return
        end local 0 // java.nio.channels.FileChannel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/channels/FileChannel;

  public static java.nio.channels.FileChannel open(java.nio.file.Path, java.util.Set<? extends java.nio.file.OpenOption>, java.nio.file.attribute.FileAttribute<?>[]);
    descriptor: (Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/attribute/FileAttribute;)Ljava/nio/channels/FileChannel;
    flags: (0x0089) ACC_PUBLIC, ACC_STATIC, ACC_VARARGS
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // java.nio.file.Path path
        start local 1 // java.util.Set options
        start local 2 // java.nio.file.attribute.FileAttribute[] attrs
         0: .line 291
            aload 0 /* path */
            invokeinterface java.nio.file.Path.getFileSystem:()Ljava/nio/file/FileSystem;
            invokevirtual java.nio.file.FileSystem.provider:()Ljava/nio/file/spi/FileSystemProvider;
            astore 3 /* provider */
        start local 3 // java.nio.file.spi.FileSystemProvider provider
         1: .line 292
            aload 3 /* provider */
            aload 0 /* path */
            aload 1 /* options */
            aload 2 /* attrs */
            invokevirtual java.nio.file.spi.FileSystemProvider.newFileChannel:(Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/attribute/FileAttribute;)Ljava/nio/channels/FileChannel;
            areturn
        end local 3 // java.nio.file.spi.FileSystemProvider provider
        end local 2 // java.nio.file.attribute.FileAttribute[] attrs
        end local 1 // java.util.Set options
        end local 0 // java.nio.file.Path path
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      path  Ljava/nio/file/Path;
            0    2     1   options  Ljava/util/Set<+Ljava/nio/file/OpenOption;>;
            0    2     2     attrs  [Ljava/nio/file/attribute/FileAttribute;
            1    2     3  provider  Ljava/nio/file/spi/FileSystemProvider;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/nio/file/Path;Ljava/util/Set<+Ljava/nio/file/OpenOption;>;[Ljava/nio/file/attribute/FileAttribute<*>;)Ljava/nio/channels/FileChannel;
    MethodParameters:
         Name  Flags
      path     
      options  
      attrs    

  public static java.nio.channels.FileChannel open(java.nio.file.Path, java.nio.file.OpenOption[]);
    descriptor: (Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/nio/channels/FileChannel;
    flags: (0x0089) ACC_PUBLIC, ACC_STATIC, ACC_VARARGS
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.nio.file.Path path
        start local 1 // java.nio.file.OpenOption[] options
         0: .line 339
            aload 1 /* options */
            arraylength
            ifne 3
         1: .line 340
            invokestatic java.util.Collections.emptySet:()Ljava/util/Set;
            astore 2 /* set */
        start local 2 // java.util.Set set
         2: .line 341
            goto 5
        end local 2 // java.util.Set set
         3: .line 342
      StackMap locals:
      StackMap stack:
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 2 /* set */
        start local 2 // java.util.Set set
         4: .line 343
            aload 2 /* set */
            aload 1 /* options */
            invokestatic java.util.Collections.addAll:(Ljava/util/Collection;[Ljava/lang/Object;)Z
            pop
         5: .line 345
      StackMap locals: java.util.Set
      StackMap stack:
            aload 0 /* path */
            aload 2 /* set */
            getstatic java.nio.channels.FileChannel.NO_ATTRIBUTES:[Ljava/nio/file/attribute/FileAttribute;
            invokestatic java.nio.channels.FileChannel.open:(Ljava/nio/file/Path;Ljava/util/Set;[Ljava/nio/file/attribute/FileAttribute;)Ljava/nio/channels/FileChannel;
            areturn
        end local 2 // java.util.Set set
        end local 1 // java.nio.file.OpenOption[] options
        end local 0 // java.nio.file.Path path
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    6     0     path  Ljava/nio/file/Path;
            0    6     1  options  [Ljava/nio/file/OpenOption;
            2    3     2      set  Ljava/util/Set<Ljava/nio/file/OpenOption;>;
            4    6     2      set  Ljava/util/Set<Ljava/nio/file/OpenOption;>;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
         Name  Flags
      path     
      options  

  public abstract int read(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      dst   

  public abstract long read(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      dsts    
      offset  
      length  

  public final long read(java.nio.ByteBuffer[]);
    descriptor: ([Ljava/nio/ByteBuffer;)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.nio.channels.FileChannel this
        start local 1 // java.nio.ByteBuffer[] dsts
         0: .line 381
            aload 0 /* this */
            aload 1 /* dsts */
            iconst_0
            aload 1 /* dsts */
            arraylength
            invokevirtual java.nio.channels.FileChannel.read:([Ljava/nio/ByteBuffer;II)J
            lreturn
        end local 1 // java.nio.ByteBuffer[] dsts
        end local 0 // java.nio.channels.FileChannel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/channels/FileChannel;
            0    1     1  dsts  [Ljava/nio/ByteBuffer;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      dsts  

  public abstract int write(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      src   

  public abstract long write(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      srcs    
      offset  
      length  

  public final long write(java.nio.ByteBuffer[]);
    descriptor: ([Ljava/nio/ByteBuffer;)J
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.nio.channels.FileChannel this
        start local 1 // java.nio.ByteBuffer[] srcs
         0: .line 424
            aload 0 /* this */
            aload 1 /* srcs */
            iconst_0
            aload 1 /* srcs */
            arraylength
            invokevirtual java.nio.channels.FileChannel.write:([Ljava/nio/ByteBuffer;II)J
            lreturn
        end local 1 // java.nio.ByteBuffer[] srcs
        end local 0 // java.nio.channels.FileChannel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/channels/FileChannel;
            0    1     1  srcs  [Ljava/nio/ByteBuffer;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      srcs  

  public abstract long position();
    descriptor: ()J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract java.nio.channels.FileChannel position(long);
    descriptor: (J)Ljava/nio/channels/FileChannel;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
             Name  Flags
      newPosition  

  public abstract long size();
    descriptor: ()J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract java.nio.channels.FileChannel truncate(long);
    descriptor: (J)Ljava/nio/channels/FileChannel;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      size  

  public abstract void force(boolean);
    descriptor: (Z)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      metaData  

  public abstract long transferTo(long, long, java.nio.channels.WritableByteChannel);
    descriptor: (JJLjava/nio/channels/WritableByteChannel;)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      position  
      count     
      target    

  public abstract long transferFrom(java.nio.channels.ReadableByteChannel, long, long);
    descriptor: (Ljava/nio/channels/ReadableByteChannel;JJ)J
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      src       
      position  
      count     

  public abstract int read(java.nio.ByteBuffer, long);
    descriptor: (Ljava/nio/ByteBuffer;J)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      dst       
      position  

  public abstract int write(java.nio.ByteBuffer, long);
    descriptor: (Ljava/nio/ByteBuffer;J)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      src       
      position  

  public abstract java.nio.MappedByteBuffer map(java.nio.channels.FileChannel$MapMode, long, long);
    descriptor: (Ljava/nio/channels/FileChannel$MapMode;JJ)Ljava/nio/MappedByteBuffer;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      mode      
      position  
      size      

  public abstract java.nio.channels.FileLock lock(long, long, boolean);
    descriptor: (JJZ)Ljava/nio/channels/FileLock;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      position  
      size      
      shared    

  public final java.nio.channels.FileLock lock();
    descriptor: ()Ljava/nio/channels/FileLock;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // java.nio.channels.FileChannel this
         0: .line 1063
            aload 0 /* this */
            lconst_0
            ldc 9223372036854775807
            iconst_0
            invokevirtual java.nio.channels.FileChannel.lock:(JJZ)Ljava/nio/channels/FileLock;
            areturn
        end local 0 // java.nio.channels.FileChannel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/channels/FileChannel;
    Exceptions:
      throws java.io.IOException

  public abstract java.nio.channels.FileLock tryLock(long, long, boolean);
    descriptor: (JJZ)Ljava/nio/channels/FileLock;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      position  
      size      
      shared    

  public final java.nio.channels.FileLock tryLock();
    descriptor: ()Ljava/nio/channels/FileLock;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // java.nio.channels.FileChannel this
         0: .line 1165
            aload 0 /* this */
            lconst_0
            ldc 9223372036854775807
            iconst_0
            invokevirtual java.nio.channels.FileChannel.tryLock:(JJZ)Ljava/nio/channels/FileLock;
            areturn
        end local 0 // java.nio.channels.FileChannel this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/nio/channels/FileChannel;
    Exceptions:
      throws java.io.IOException

  public java.nio.channels.SeekableByteChannel position(long);
    descriptor: (J)Ljava/nio/channels/SeekableByteChannel;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=2
         0: .line 1
            aload 0
            lload 1
            invokevirtual java.nio.channels.FileChannel.position:(J)Ljava/nio/channels/FileChannel;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.io.IOException

  public java.nio.channels.SeekableByteChannel truncate(long);
    descriptor: (J)Ljava/nio/channels/SeekableByteChannel;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=2
         0: .line 1
            aload 0
            lload 1
            invokevirtual java.nio.channels.FileChannel.truncate:(J)Ljava/nio/channels/FileChannel;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.io.IOException
}
SourceFile: "FileChannel.java"
NestMembers:
  java.nio.channels.FileChannel$MapMode
InnerClasses:
  public MapMode = java.nio.channels.FileChannel$MapMode of java.nio.channels.FileChannel