https://github.com/eclipse/eclipse-collections/eclipse-collections: Eclipse Collections is a collections framework for Java. It has JDK-compatible List, Set and Map implementations with a rich API and set of utility classes that work with any JDK compatible Collections, Arrays, Maps or Strings. The iteration protocol was inspired by the Smalltalk collection framework.
  • Craig P. Motlin
  • Donald Raab
  • Mohammad A. Rezaei
  • Hiroshi Ito
  • Nikhil J. Nanivadekar 
public class org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator implements java.util.Iterator<org.eclipse.collections.api.tuple.primitive.IntIntPair>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator
  super_class: java.lang.Object
{
  private int count;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

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

  private boolean handledZero;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private boolean handledOne;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  final org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView this$1;
    descriptor: Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  public void <init>(org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView);
    descriptor: (Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
         0: .line 1695
            aload 0 /* this */
            aload 1
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView$InternalKeyValuesIterator;
    MethodParameters:
        Name  Flags
      this$0  final

  public org.eclipse.collections.api.tuple.primitive.IntIntPair next();
    descriptor: ()Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
         0: .line 1705
            aload 0 /* this */
            invokevirtual org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.hasNext:()Z
            ifne 2
         1: .line 1707
            new java.util.NoSuchElementException
            dup
            ldc "next() called, but the iterator is exhausted"
            invokespecial java.util.NoSuchElementException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 1709
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.count:I
            iconst_1
            iadd
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.count:I
         3: .line 1711
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.handledZero:Z
            ifne 7
         4: .line 1713
            aload 0 /* this */
            iconst_1
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.handledZero:Z
         5: .line 1714
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            iconst_0
            invokevirtual org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.containsKey:(I)Z
            ifeq 7
         6: .line 1716
            iconst_0
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.sentinelValues:Lorg/eclipse/collections/impl/map/mutable/primitive/AbstractMutableIntValuesMap$SentinelValues;
            getfield org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableIntValuesMap$SentinelValues.zeroValue:I
            invokestatic org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples.pair:(II)Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;
            areturn
         7: .line 1719
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.handledOne:Z
            ifne 11
         8: .line 1721
            aload 0 /* this */
            iconst_1
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.handledOne:Z
         9: .line 1722
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            iconst_1
            invokevirtual org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.containsKey:(I)Z
            ifeq 11
        10: .line 1724
            iconst_1
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.sentinelValues:Lorg/eclipse/collections/impl/map/mutable/primitive/AbstractMutableIntValuesMap$SentinelValues;
            getfield org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableIntValuesMap$SentinelValues.oneValue:I
            invokestatic org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples.pair:(II)Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;
            areturn
        11: .line 1728
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.keysValues:[I
            astore 1 /* keys */
        start local 1 // int[] keys
        12: .line 1729
            goto 14
        13: .line 1731
      StackMap locals: int[]
      StackMap stack:
            aload 0 /* this */
            dup
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
            iconst_2
            iadd
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
        14: .line 1729
      StackMap locals:
      StackMap stack:
            aload 1 /* keys */
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
            iaload
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.isNonSentinel:(I)Z
            ifeq 13
        15: .line 1733
            aload 1 /* keys */
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
            iaload
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.keysValues:[I
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
            iconst_1
            iadd
            iaload
            invokestatic org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples.pair:(II)Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;
            astore 2 /* result */
        start local 2 // org.eclipse.collections.api.tuple.primitive.IntIntPair result
        16: .line 1734
            aload 0 /* this */
            dup
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
            iconst_2
            iadd
            putfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.position:I
        17: .line 1735
            aload 2 /* result */
            areturn
        end local 2 // org.eclipse.collections.api.tuple.primitive.IntIntPair result
        end local 1 // int[] keys
        end local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   18     0    this  Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView$InternalKeyValuesIterator;
           12   18     1    keys  [I
           16   18     2  result  Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
         0: .line 1741
            new java.lang.UnsupportedOperationException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Cannot call remove() on "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getSimpleName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView$InternalKeyValuesIterator;

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
         0: .line 1747
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.count:I
            aload 0 /* this */
            getfield org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.this$1:Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;
            invokestatic org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView.access$0:(Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView;)Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap;
            invokevirtual org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap.size:()I
            if_icmpeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/eclipse/collections/impl/map/mutable/primitive/IntIntHashMap$KeyValuesView$InternalKeyValuesIterator;

  public java.lang.Object next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator.next:()Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Ljava/util/Iterator<Lorg/eclipse/collections/api/tuple/primitive/IntIntPair;>;
SourceFile: "IntIntHashMap.java"
NestHost: org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap
InnerClasses:
  protected SentinelValues = org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableIntValuesMap$SentinelValues of org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableIntValuesMap
  private KeyValuesView = org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView of org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap
  public InternalKeyValuesIterator = org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView$InternalKeyValuesIterator of org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap$KeyValuesView