final class java.util.HashMap$KeyIterator extends java.util.HashMap<K, V>.HashIterator implements java.util.Iterator<K>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: java.util.HashMap$KeyIterator
  super_class: java.util.HashMap$HashIterator
{
  final java.util.HashMap this$0;
    descriptor: Ljava/util/HashMap;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(java.util.HashMap);
    descriptor: (Ljava/util/HashMap;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.util.HashMap$KeyIterator this
         0: .line 1514
            aload 0 /* this */
            aload 1
            putfield java.util.HashMap$KeyIterator.this$0:Ljava/util/HashMap;
            aload 0 /* this */
            aload 1
            invokespecial java.util.HashMap$HashIterator.<init>:(Ljava/util/HashMap;)V
            return
        end local 0 // java.util.HashMap$KeyIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeyIterator;
    MethodParameters:
        Name  Flags
      this$0  final

  public final K next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.util.HashMap$KeyIterator this
         0: .line 1516
            aload 0 /* this */
            invokevirtual java.util.HashMap$KeyIterator.nextNode:()Ljava/util/HashMap$Node;
            getfield java.util.HashMap$Node.key:Ljava/lang/Object;
            areturn
        end local 0 // java.util.HashMap$KeyIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/util/HashMap$KeyIterator;
    Signature: ()TK;
}
Signature: Ljava/util/HashMap<TK;TV;>.HashIterator;Ljava/util/Iterator<TK;>;
SourceFile: "HashMap.java"
NestHost: java.util.HashMap
InnerClasses:
  abstract HashIterator = java.util.HashMap$HashIterator of java.util.HashMap
  final KeyIterator = java.util.HashMap$KeyIterator of java.util.HashMap
  Node = java.util.HashMap$Node of java.util.HashMap