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Name: siR10004 Date: 02/10/2004 Some JDK (b37 and earlier) classes have invalid 'Signature' attributes, which don't conform to the syntax rules described in Section 4.4.4 of the JVM spec draft. All these signatures have an extra '.' character. It seems that reflection API and javac simply ignore this extra character. Below is the list of classes and their signature attributes. Class 'java.util.concurrent.ConcurrentHashMap$EntryIterator' 'Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;.Ljava/util/concurrent/ConcurrentHashMap$HashIterator;Ljav a/util/Iter ator<Ljava/util/Map$Entry<TK;TV;>;>;' Class 'java.util.concurrent.ConcurrentHashMap$KeyIterator' 'Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;.Ljava/util/concurrent/ConcurrentHashMap$HashIterator;Ljav a/util/Iter ator<TK;>;Ljava/util/Enumeration<TK;>;' Class 'java.util.concurrent.ConcurrentHashMap$ValueIterator' 'Ljava/util/concurrent/ConcurrentHashMap<TK;TV;>;.Ljava/util/concurrent/ConcurrentHashMap$HashIterator;Ljav a/util/Iter ator<TV;>;Ljava/util/Enumeration<TV;>;' Class 'java.util.AbstractList$ListItr' 'Ljava/util/AbstractList<TE;>;.Ljava/util/AbstractList$Itr;Ljava/util/ListIterator<TE;>;' Class 'java.util.EnumMap$EntryIterator' 'Ljava/util/EnumMap<TK;TV;>;.Ljava/util/EnumMap$EnumMapIterator<Ljava/util/Map$Entry<TK;TV;>;>;Ljava/util/M ap$Entry<TK ;TV;>;' Class 'java.util.EnumMap$KeyIterator' 'Ljava/util/EnumMap<TK;TV;>;.Ljava/util/EnumMap$EnumMapIterator<TK;>;' Class 'java.util.EnumMap$ValueIterator' 'Ljava/util/EnumMap<TK;TV;>;.Ljava/util/EnumMap$EnumMapIterator<TV;>;' Class 'java.util.IdentityHashMap$EntryIterator' 'Ljava/util/IdentityHashMap<TK;TV;>;.Ljava/util/IdentityHashMap$IdentityHashMapIterator<Ljava/util/Map$Entr y<TK;TV;>;> ;Ljava/util/Map$Entry<TK;TV;>;' Class 'java.util.IdentityHashMap$KeyIterator' 'Ljava/util/IdentityHashMap<TK;TV;>;.Ljava/util/IdentityHashMap$IdentityHashMapIterator<TK;>;' Class 'java.util.IdentityHashMap$ValueIterator' 'Ljava/util/IdentityHashMap<TK;TV;>;.Ljava/util/IdentityHashMap$IdentityHashMapIterator<TV;>;' Class 'java.util.WeakHashMap$EntryIterator' 'Ljava/util/WeakHashMap<TK;TV;>;.Ljava/util/WeakHashMap$HashIterator<Ljava/util/Map$Entry<TK;TV;>;>;' Class 'java.util.WeakHashMap$KeyIterator' 'Ljava/util/WeakHashMap<TK;TV;>;.Ljava/util/WeakHashMap$HashIterator<TK;>;' Class 'java.util.WeakHashMap$ValueIterator' 'Ljava/util/WeakHashMap<TK;TV;>;.Ljava/util/WeakHashMap$HashIterator<TV;>;' Class 'java.util.TreeMap$EntryIterator' 'Ljava/util/TreeMap<TK;TV;>;.Ljava/util/TreeMap$PrivateEntryIterator<Ljava/util/Map$Entry<TK;TV;>;>;' Class 'java.util.TreeMap$KeyIterator' 'Ljava/util/TreeMap<TK;TV;>;.Ljava/util/TreeMap$PrivateEntryIterator<TK;>;' Class 'java.util.TreeMap$SubMapEntryIterator' 'Ljava/util/TreeMap<TK;TV;>;.Ljava/util/TreeMap$PrivateEntryIterator<Ljava/util/Map$Entry<TK;TV;>;>;' 'java.util.TreeMap$ValueIterator' 'Ljava/util/TreeMap<TK;TV;>;.Ljava/util/TreeMap$PrivateEntryIterator<TV;>;' Class 'java.util.HashMap$EntryIterator' 'Ljava/util/HashMap<TK;TV;>;.Ljava/util/HashMap$HashIterator<Ljava/util/Map$Entry<TK;TV;>;>;' Class 'java.util.HashMap$KeyIterator' 'Ljava/util/HashMap<TK;TV;>;.Ljava/util/HashMap$HashIterator<TK;>;' Class 'java.util.HashMap$ValueIterator' 'Ljava/util/HashMap<TK;TV;>;.Ljava/util/HashMap$HashIterator<TV;>;' Class 'java.util.LinkedHashMap$EntryIterator' 'Ljava/util/LinkedHashMap<TK;TV;>;.Ljava/util/LinkedHashMap$LinkedHashIterator<Ljava/util/Map$Entry<TK;TV;> ;>;' Class 'java.util.LinkedHashMap$KeyIterator' 'Ljava/util/LinkedHashMap<TK;TV;>;.Ljava/util/LinkedHashMap$LinkedHashIterator<TK;>;' Class 'java.util.LinkedHashMap$ValueIterator' 'Ljava/util/LinkedHashMap<TK;TV;>;.Ljava/util/LinkedHashMap$LinkedHashIterator<TV;>;' ======================================================================