public abstract class java.io.Reader implements java.lang.Readable, java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.io.Reader
  super_class: java.lang.Object
{
  private static final int TRANSFER_BUFFER_SIZE;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 8192

  protected java.lang.Object lock;
    descriptor: Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED

  private static final int maxSkipBufferSize;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 8192

  private char[] skipBuffer;
    descriptor: [C
    flags: (0x0002) ACC_PRIVATE

  public static java.io.Reader nullReader();
    descriptor: ()Ljava/io/Reader;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 81
            new java.io.Reader$1
            dup
            invokespecial java.io.Reader$1.<init>:()V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.Reader this
         0: .line 155
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 255
            aload 0 /* this */
            aconst_null
            putfield java.io.Reader.skipBuffer:[C
         2: .line 156
            aload 0 /* this */
            aload 0 /* this */
            putfield java.io.Reader.lock:Ljava/lang/Object;
         3: .line 157
            return
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/io/Reader;

  protected void <init>(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // java.lang.Object lock
         0: .line 165
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 255
            aload 0 /* this */
            aconst_null
            putfield java.io.Reader.skipBuffer:[C
         2: .line 166
            aload 1 /* lock */
            ifnonnull 4
         3: .line 167
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         4: .line 169
      StackMap locals: java.io.Reader java.lang.Object
      StackMap stack:
            aload 0 /* this */
            aload 1 /* lock */
            putfield java.io.Reader.lock:Ljava/lang/Object;
         5: .line 170
            return
        end local 1 // java.lang.Object lock
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Ljava/io/Reader;
            0    6     1  lock  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      lock  

  public int read(java.nio.CharBuffer);
    descriptor: (Ljava/nio/CharBuffer;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // java.nio.CharBuffer target
         0: .line 187
            aload 1 /* target */
            invokevirtual java.nio.CharBuffer.remaining:()I
            istore 2 /* len */
        start local 2 // int len
         1: .line 188
            iload 2 /* len */
            newarray 5
            astore 3 /* cbuf */
        start local 3 // char[] cbuf
         2: .line 189
            aload 0 /* this */
            aload 3 /* cbuf */
            iconst_0
            iload 2 /* len */
            invokevirtual java.io.Reader.read:([CII)I
            istore 4 /* n */
        start local 4 // int n
         3: .line 190
            iload 4 /* n */
            ifle 5
         4: .line 191
            aload 1 /* target */
            aload 3 /* cbuf */
            iconst_0
            iload 4 /* n */
            invokevirtual java.nio.CharBuffer.put:([CII)Ljava/nio/CharBuffer;
            pop
         5: .line 192
      StackMap locals: int char[] int
      StackMap stack:
            iload 4 /* n */
            ireturn
        end local 4 // int n
        end local 3 // char[] cbuf
        end local 2 // int len
        end local 1 // java.nio.CharBuffer target
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Ljava/io/Reader;
            0    6     1  target  Ljava/nio/CharBuffer;
            1    6     2     len  I
            2    6     3    cbuf  [C
            3    6     4       n  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      target  

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // java.io.Reader this
         0: .line 209
            iconst_1
            newarray 5
            astore 1 /* cb */
        start local 1 // char[] cb
         1: .line 210
            aload 0 /* this */
            aload 1 /* cb */
            iconst_0
            iconst_1
            invokevirtual java.io.Reader.read:([CII)I
            iconst_m1
            if_icmpne 3
         2: .line 211
            iconst_m1
            ireturn
         3: .line 213
      StackMap locals: char[]
      StackMap stack:
            aload 1 /* cb */
            iconst_0
            caload
            ireturn
        end local 1 // char[] cb
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/io/Reader;
            1    4     1    cb  [C
    Exceptions:
      throws java.io.IOException

  public int read(char[]);
    descriptor: ([C)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // char[] cbuf
         0: .line 229
            aload 0 /* this */
            aload 1 /* cbuf */
            iconst_0
            aload 1 /* cbuf */
            arraylength
            invokevirtual java.io.Reader.read:([CII)I
            ireturn
        end local 1 // char[] cbuf
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/Reader;
            0    1     1  cbuf  [C
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      cbuf  

  public abstract int read(char[], int, int);
    descriptor: ([CII)I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      cbuf  
      off   
      len   

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=8, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // long n
         0: .line 269
            lload 1 /* n */
            lconst_0
            lcmp
            ifge 2
         1: .line 270
            new java.lang.IllegalArgumentException
            dup
            ldc "skip value is negative"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 271
      StackMap locals:
      StackMap stack:
            lload 1 /* n */
            ldc 8192
            invokestatic java.lang.Math.min:(JJ)J
            l2i
            istore 3 /* nn */
        start local 3 // int nn
         3: .line 272
            aload 0 /* this */
            getfield java.io.Reader.lock:Ljava/lang/Object;
            dup
            astore 4
            monitorenter
         4: .line 273
            aload 0 /* this */
            getfield java.io.Reader.skipBuffer:[C
            ifnull 5
            aload 0 /* this */
            getfield java.io.Reader.skipBuffer:[C
            arraylength
            iload 3 /* nn */
            if_icmpge 6
         5: .line 274
      StackMap locals: int java.lang.Object
      StackMap stack:
            aload 0 /* this */
            iload 3 /* nn */
            newarray 5
            putfield java.io.Reader.skipBuffer:[C
         6: .line 275
      StackMap locals:
      StackMap stack:
            lload 1 /* n */
            lstore 5 /* r */
        start local 5 // long r
         7: .line 276
            goto 12
         8: .line 277
      StackMap locals: long
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield java.io.Reader.skipBuffer:[C
            iconst_0
            lload 5 /* r */
            iload 3 /* nn */
            i2l
            invokestatic java.lang.Math.min:(JJ)J
            l2i
            invokevirtual java.io.Reader.read:([CII)I
            istore 7 /* nc */
        start local 7 // int nc
         9: .line 278
            iload 7 /* nc */
            iconst_m1
            if_icmpne 11
        10: .line 279
            goto 13
        11: .line 280
      StackMap locals: int
      StackMap stack:
            lload 5 /* r */
            iload 7 /* nc */
            i2l
            lsub
            lstore 5 /* r */
        end local 7 // int nc
        12: .line 276
      StackMap locals:
      StackMap stack:
            lload 5 /* r */
            lconst_0
            lcmp
            ifgt 8
        13: .line 282
      StackMap locals:
      StackMap stack:
            lload 1 /* n */
            lload 5 /* r */
            lsub
            aload 4
            monitorexit
        14: lreturn
        end local 5 // long r
        15: .line 272
      StackMap locals: java.io.Reader long int java.lang.Object
      StackMap stack: java.lang.Throwable
            aload 4
            monitorexit
        16: athrow
        end local 3 // int nn
        end local 1 // long n
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   17     0  this  Ljava/io/Reader;
            0   17     1     n  J
            3   17     3    nn  I
            7   15     5     r  J
            9   12     7    nc  I
      Exception table:
        from    to  target  type
           4    14      15  any
          15    16      15  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     

  public boolean ready();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.Reader this
         0: .line 296
            iconst_0
            ireturn
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/Reader;
    Exceptions:
      throws java.io.IOException

  public boolean markSupported();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.Reader this
         0: .line 307
            iconst_0
            ireturn
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/Reader;

  public void mark(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // int readAheadLimit
         0: .line 324
            new java.io.IOException
            dup
            ldc "mark() not supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // int readAheadLimit
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Ljava/io/Reader;
            0    1     1  readAheadLimit  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      readAheadLimit  

  public void reset();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.Reader this
         0: .line 341
            new java.io.IOException
            dup
            ldc "reset() not supported"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/Reader;
    Exceptions:
      throws java.io.IOException

  public abstract void close();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public long transferTo(java.io.Writer);
    descriptor: (Ljava/io/Writer;)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // java.io.Reader this
        start local 1 // java.io.Writer out
         0: .line 380
            aload 1 /* out */
            ldc "out"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         1: .line 381
            lconst_0
            lstore 2 /* transferred */
        start local 2 // long transferred
         2: .line 382
            sipush 8192
            newarray 5
            astore 4 /* buffer */
        start local 4 // char[] buffer
         3: .line 384
            goto 6
        start local 5 // int nRead
         4: .line 385
      StackMap locals: long char[] int
      StackMap stack:
            aload 1 /* out */
            aload 4 /* buffer */
            iconst_0
            iload 5 /* nRead */
            invokevirtual java.io.Writer.write:([CII)V
         5: .line 386
            lload 2 /* transferred */
            iload 5 /* nRead */
            i2l
            ladd
            lstore 2 /* transferred */
        end local 5 // int nRead
         6: .line 384
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 4 /* buffer */
            iconst_0
            sipush 8192
            invokevirtual java.io.Reader.read:([CII)I
            dup
            istore 5 /* nRead */
        start local 5 // int nRead
         7: ifge 4
         8: .line 388
            lload 2 /* transferred */
            lreturn
        end local 5 // int nRead
        end local 4 // char[] buffer
        end local 2 // long transferred
        end local 1 // java.io.Writer out
        end local 0 // java.io.Reader this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    9     0         this  Ljava/io/Reader;
            0    9     1          out  Ljava/io/Writer;
            2    9     2  transferred  J
            3    9     4       buffer  [C
            4    6     5        nRead  I
            7    9     5        nRead  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      out   
}
SourceFile: "Reader.java"
NestMembers:
  java.io.Reader$1
InnerClasses:
  java.io.Reader$1