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 
class org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator<T> implements java.util.Iterator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator
  super_class: java.lang.Object
{
  private org.eclipse.collections.api.stack.ImmutableStack<T> immutableStack;
    descriptor: Lorg/eclipse/collections/api/stack/ImmutableStack;
    flags: (0x0002) ACC_PRIVATE
    Signature: Lorg/eclipse/collections/api/stack/ImmutableStack<TT;>;

  void <init>(org.eclipse.collections.api.stack.ImmutableStack<T>);
    descriptor: (Lorg/eclipse/collections/api/stack/ImmutableStack;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
        start local 1 // org.eclipse.collections.api.stack.ImmutableStack immutableStack
         0: .line 22
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 24
            aload 0 /* this */
            aload 1 /* immutableStack */
            putfield org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.immutableStack:Lorg/eclipse/collections/api/stack/ImmutableStack;
         2: .line 25
            return
        end local 1 // org.eclipse.collections.api.stack.ImmutableStack immutableStack
        end local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    3     0            this  Lorg/eclipse/collections/impl/stack/immutable/ImmutableStackIterator<TT;>;
            0    3     1  immutableStack  Lorg/eclipse/collections/api/stack/ImmutableStack<TT;>;
    Signature: (Lorg/eclipse/collections/api/stack/ImmutableStack<TT;>;)V
    MethodParameters:
                Name  Flags
      immutableStack  

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
         0: .line 30
            aload 0 /* this */
            getfield org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.immutableStack:Lorg/eclipse/collections/api/stack/ImmutableStack;
            invokeinterface org.eclipse.collections.api.stack.ImmutableStack.notEmpty:()Z
            ireturn
        end local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/eclipse/collections/impl/stack/immutable/ImmutableStackIterator<TT;>;

  public T next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
         0: .line 36
            aload 0 /* this */
            invokevirtual org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.hasNext:()Z
            ifne 2
         1: .line 38
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         2: .line 41
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.immutableStack:Lorg/eclipse/collections/api/stack/ImmutableStack;
            invokeinterface org.eclipse.collections.api.stack.ImmutableStack.peek:()Ljava/lang/Object;
            astore 1 /* result */
        start local 1 // java.lang.Object result
         3: .line 42
            aload 0 /* this */
            aload 0 /* this */
            getfield org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.immutableStack:Lorg/eclipse/collections/api/stack/ImmutableStack;
            invokeinterface org.eclipse.collections.api.stack.ImmutableStack.pop:()Lorg/eclipse/collections/api/stack/ImmutableStack;
            putfield org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator.immutableStack:Lorg/eclipse/collections/api/stack/ImmutableStack;
         4: .line 43
            aload 1 /* result */
            areturn
        end local 1 // java.lang.Object result
        end local 0 // org.eclipse.collections.impl.stack.immutable.ImmutableStackIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/eclipse/collections/impl/stack/immutable/ImmutableStackIterator<TT;>;
            3    5     1  result  TT;
    Signature: ()TT;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TT;>;
SourceFile: "ImmutableStackIterator.java"