http://fastutil.di.unimi.it/: fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, and fast, practical I/O classes for binary and text files.
  • Sebastiano Vigna 
final class it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator extends it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap<V>.TreeIterator implements it.unimi.dsi.fastutil.objects.ObjectListIterator<V>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator
  super_class: it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$TreeIterator
{
  final it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap this$0;
    descriptor: Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private void <init>(it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap);
    descriptor: (Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
         0: .line 1213
            aload 0 /* this */
            aload 1
            putfield it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator.this$0:Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap;
            aload 0 /* this */
            aload 1
            invokespecial it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$TreeIterator.<init>:(Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap;)V
            return
        end local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap$ValueIterator;
    MethodParameters:
        Name  Flags
      this$0  final

  public V next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
         0: .line 1216
            aload 0 /* this */
            invokevirtual it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator.nextEntry:()Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap$Entry;
            getfield it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$Entry.value:Ljava/lang/Object;
            areturn
        end local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap$ValueIterator;
    Signature: ()TV;

  public V previous();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
         0: .line 1220
            aload 0 /* this */
            invokevirtual it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator.previousEntry:()Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap$Entry;
            getfield it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$Entry.value:Ljava/lang/Object;
            areturn
        end local 0 // it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap$ValueIterator;
    Signature: ()TV;
}
Signature: Lit/unimi/dsi/fastutil/longs/Long2ReferenceRBTreeMap<TV;>.TreeIterator;Lit/unimi/dsi/fastutil/objects/ObjectListIterator<TV;>;
SourceFile: "Long2ReferenceRBTreeMap.java"
NestHost: it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap
InnerClasses:
  private final Entry = it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$Entry of it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap
  private TreeIterator = it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$TreeIterator of it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap
  private final ValueIterator = it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap$ValueIterator of it.unimi.dsi.fastutil.longs.Long2ReferenceRBTreeMap