http://commons.apache.org/proper/commons-collections/: The Apache Commons Collections package contains types that extend and augment the Java Collections Framework. (The Apache Software Foundation)
  • Rafael U. C. Afonso
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public class org.apache.commons.collections4.iterators.EnumerationIterator<E> implements java.util.Iterator<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections4.iterators.EnumerationIterator
  super_class: java.lang.Object
{
  private final java.util.Collection<? super E> collection;
    descriptor: Ljava/util/Collection;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Collection<-TE;>;

  private java.util.Enumeration<? extends E> enumeration;
    descriptor: Ljava/util/Enumeration;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Enumeration<+TE;>;

  private E last;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE
    Signature: TE;

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
         0: .line 45
            aload 0 /* this */
            aconst_null
            aconst_null
            invokespecial org.apache.commons.collections4.iterators.EnumerationIterator.<init>:(Ljava/util/Enumeration;Ljava/util/Collection;)V
         1: .line 46
            return
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;

  public void <init>(java.util.Enumeration<? extends E>);
    descriptor: (Ljava/util/Enumeration;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
        start local 1 // java.util.Enumeration enumeration
         0: .line 55
            aload 0 /* this */
            aload 1 /* enumeration */
            aconst_null
            invokespecial org.apache.commons.collections4.iterators.EnumerationIterator.<init>:(Ljava/util/Enumeration;Ljava/util/Collection;)V
         1: .line 56
            return
        end local 1 // java.util.Enumeration enumeration
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;
            0    2     1  enumeration  Ljava/util/Enumeration<+TE;>;
    Signature: (Ljava/util/Enumeration<+TE;>;)V
    MethodParameters:
             Name  Flags
      enumeration  final

  public void <init>(java.util.Enumeration<? extends E>, java.util.Collection<? super E>);
    descriptor: (Ljava/util/Enumeration;Ljava/util/Collection;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
        start local 1 // java.util.Enumeration enumeration
        start local 2 // java.util.Collection collection
         0: .line 66
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 67
            aload 0 /* this */
            aload 1 /* enumeration */
            putfield org.apache.commons.collections4.iterators.EnumerationIterator.enumeration:Ljava/util/Enumeration;
         2: .line 68
            aload 0 /* this */
            aload 2 /* collection */
            putfield org.apache.commons.collections4.iterators.EnumerationIterator.collection:Ljava/util/Collection;
         3: .line 69
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.collections4.iterators.EnumerationIterator.last:Ljava/lang/Object;
         4: .line 70
            return
        end local 2 // java.util.Collection collection
        end local 1 // java.util.Enumeration enumeration
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;
            0    5     1  enumeration  Ljava/util/Enumeration<+TE;>;
            0    5     2   collection  Ljava/util/Collection<-TE;>;
    Signature: (Ljava/util/Enumeration<+TE;>;Ljava/util/Collection<-TE;>;)V
    MethodParameters:
             Name  Flags
      enumeration  final
      collection   final

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
         0: .line 82
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.enumeration:Ljava/util/Enumeration;
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ireturn
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;

  public E next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
         0: .line 93
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.enumeration:Ljava/util/Enumeration;
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            putfield org.apache.commons.collections4.iterators.EnumerationIterator.last:Ljava/lang/Object;
         1: .line 94
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.last:Ljava/lang/Object;
            areturn
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;
    Signature: ()TE;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
         0: .line 109
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.collection:Ljava/util/Collection;
            ifnull 5
         1: .line 110
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.last:Ljava/lang/Object;
            ifnull 4
         2: .line 111
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.collection:Ljava/util/Collection;
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.last:Ljava/lang/Object;
            invokeinterface java.util.Collection.remove:(Ljava/lang/Object;)Z
            pop
         3: .line 112
            goto 6
         4: .line 113
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            ldc "next() must have been called for remove() to function"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 116
      StackMap locals:
      StackMap stack:
            new java.lang.UnsupportedOperationException
            dup
            ldc "No Collection associated with this Iterator"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 118
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;

  public java.util.Enumeration<? extends E> getEnumeration();
    descriptor: ()Ljava/util/Enumeration;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
         0: .line 128
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.EnumerationIterator.enumeration:Ljava/util/Enumeration;
            areturn
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;
    Signature: ()Ljava/util/Enumeration<+TE;>;

  public void setEnumeration(java.util.Enumeration<? extends E>);
    descriptor: (Ljava/util/Enumeration;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
        start local 1 // java.util.Enumeration enumeration
         0: .line 137
            aload 0 /* this */
            aload 1 /* enumeration */
            putfield org.apache.commons.collections4.iterators.EnumerationIterator.enumeration:Ljava/util/Enumeration;
         1: .line 138
            return
        end local 1 // java.util.Enumeration enumeration
        end local 0 // org.apache.commons.collections4.iterators.EnumerationIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/collections4/iterators/EnumerationIterator<TE;>;
            0    2     1  enumeration  Ljava/util/Enumeration<+TE;>;
    Signature: (Ljava/util/Enumeration<+TE;>;)V
    MethodParameters:
             Name  Flags
      enumeration  final
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TE;>;
SourceFile: "EnumerationIterator.java"