class java.util.ArrayDeque$DeqIterator implements java.util.Iterator<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: java.util.ArrayDeque$DeqIterator
  super_class: java.lang.Object
{
  private int cursor;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int fence;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int lastRet;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  final java.util.ArrayDeque this$0;
    descriptor: Ljava/util/ArrayDeque;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(java.util.ArrayDeque);
    descriptor: (Ljava/util/ArrayDeque;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.ArrayDeque$DeqIterator this
         0: .line 618
            aload 0 /* this */
            aload 1
            putfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 622
            aload 0 /* this */
            aload 1
            getfield java.util.ArrayDeque.head:I
            putfield java.util.ArrayDeque$DeqIterator.cursor:I
         2: .line 628
            aload 0 /* this */
            aload 1
            getfield java.util.ArrayDeque.tail:I
            putfield java.util.ArrayDeque$DeqIterator.fence:I
         3: .line 634
            aload 0 /* this */
            iconst_m1
            putfield java.util.ArrayDeque$DeqIterator.lastRet:I
         4: .line 618
            return
        end local 0 // java.util.ArrayDeque$DeqIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Ljava/util/ArrayDeque$DeqIterator;
    MethodParameters:
        Name  Flags
      this$0  final

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.ArrayDeque$DeqIterator this
         0: .line 637
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.fence:I
            if_icmpeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // java.util.ArrayDeque$DeqIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/util/ArrayDeque$DeqIterator;

  public E next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // java.util.ArrayDeque$DeqIterator this
         0: .line 641
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.fence:I
            if_icmpne 2
         1: .line 642
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         2: .line 644
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.elements:[Ljava/lang/Object;
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            aaload
            astore 1 /* result */
        start local 1 // java.lang.Object result
         3: .line 647
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.tail:I
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.fence:I
            if_icmpne 4
            aload 1 /* result */
            ifnonnull 5
         4: .line 648
      StackMap locals: java.lang.Object
      StackMap stack:
            new java.util.ConcurrentModificationException
            dup
            invokespecial java.util.ConcurrentModificationException.<init>:()V
            athrow
         5: .line 649
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            putfield java.util.ArrayDeque$DeqIterator.lastRet:I
         6: .line 650
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            iconst_1
            iadd
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.elements:[Ljava/lang/Object;
            arraylength
            iconst_1
            isub
            iand
            putfield java.util.ArrayDeque$DeqIterator.cursor:I
         7: .line 651
            aload 1 /* result */
            areturn
        end local 1 // java.lang.Object result
        end local 0 // java.util.ArrayDeque$DeqIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Ljava/util/ArrayDeque$DeqIterator;
            3    8     1  result  TE;
    Signature: ()TE;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.util.ArrayDeque$DeqIterator this
         0: .line 655
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.lastRet:I
            ifge 2
         1: .line 656
            new java.lang.IllegalStateException
            dup
            invokespecial java.lang.IllegalStateException.<init>:()V
            athrow
         2: .line 657
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.lastRet:I
            invokevirtual java.util.ArrayDeque.delete:(I)Z
            ifeq 5
         3: .line 658
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            iconst_1
            isub
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.elements:[Ljava/lang/Object;
            arraylength
            iconst_1
            isub
            iand
            putfield java.util.ArrayDeque$DeqIterator.cursor:I
         4: .line 659
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.tail:I
            putfield java.util.ArrayDeque$DeqIterator.fence:I
         5: .line 661
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_m1
            putfield java.util.ArrayDeque$DeqIterator.lastRet:I
         6: .line 662
            return
        end local 0 // java.util.ArrayDeque$DeqIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljava/util/ArrayDeque$DeqIterator;

  public void forEachRemaining(java.util.function.Consumer<? super E>);
    descriptor: (Ljava/util/function/Consumer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=7, args_size=2
        start local 0 // java.util.ArrayDeque$DeqIterator this
        start local 1 // java.util.function.Consumer action
         0: .line 665
            aload 1 /* action */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 666
            aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.this$0:Ljava/util/ArrayDeque;
            getfield java.util.ArrayDeque.elements:[Ljava/lang/Object;
            astore 2 /* a */
        start local 2 // java.lang.Object[] a
         2: .line 667
            aload 2 /* a */
            arraylength
            iconst_1
            isub
            istore 3 /* m */
        start local 3 // int m
         3: aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.fence:I
            istore 4 /* f */
        start local 4 // int f
         4: aload 0 /* this */
            getfield java.util.ArrayDeque$DeqIterator.cursor:I
            istore 5 /* i */
        start local 5 // int i
         5: .line 668
            aload 0 /* this */
            iload 4 /* f */
            putfield java.util.ArrayDeque$DeqIterator.cursor:I
         6: .line 669
            goto 12
         7: .line 670
      StackMap locals: java.util.ArrayDeque$DeqIterator java.util.function.Consumer java.lang.Object[] int int int
      StackMap stack:
            aload 2 /* a */
            iload 5 /* i */
            aaload
            astore 6 /* e */
        start local 6 // java.lang.Object e
         8: .line 671
            iload 5 /* i */
            iconst_1
            iadd
            iload 3 /* m */
            iand
            istore 5 /* i */
         9: .line 672
            aload 6 /* e */
            ifnonnull 11
        10: .line 673
            new java.util.ConcurrentModificationException
            dup
            invokespecial java.util.ConcurrentModificationException.<init>:()V
            athrow
        11: .line 674
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1 /* action */
            aload 6 /* e */
            invokeinterface java.util.function.Consumer.accept:(Ljava/lang/Object;)V
        end local 6 // java.lang.Object e
        12: .line 669
      StackMap locals:
      StackMap stack:
            iload 5 /* i */
            iload 4 /* f */
            if_icmpne 7
        13: .line 676
            return
        end local 5 // int i
        end local 4 // int f
        end local 3 // int m
        end local 2 // java.lang.Object[] a
        end local 1 // java.util.function.Consumer action
        end local 0 // java.util.ArrayDeque$DeqIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Ljava/util/ArrayDeque$DeqIterator;
            0   14     1  action  Ljava/util/function/Consumer<-TE;>;
            2   14     2       a  [Ljava/lang/Object;
            3   14     3       m  I
            4   14     4       f  I
            5   14     5       i  I
            8   12     6       e  TE;
    Signature: (Ljava/util/function/Consumer<-TE;>;)V
    MethodParameters:
        Name  Flags
      action  
}
Signature: Ljava/lang/Object;Ljava/util/Iterator<TE;>;
SourceFile: "ArrayDeque.java"
NestHost: java.util.ArrayDeque
InnerClasses:
  private DeqIterator = java.util.ArrayDeque$DeqIterator of java.util.ArrayDeque