--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/java/util/HashSet.d	Fri Mar 13 16:57:07 2009 +0100
@@ -0,0 +1,121 @@
+module java.util.HashSet;
+
+import java.lang.all;
+import java.util.Set;
+import java.util.Collection;
+import java.util.Iterator;
+
+static import tango.util.container.HashSet;
+
+class HashSet : Set {
+    alias tango.util.container.HashSet.HashSet!(Object) SetType;
+    private SetType set;
+
+    public this(){
+        set = new SetType();
+    }
+    public this(Collection c){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public this(int initialCapacity){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public this(int initialCapacity, float loadFactor){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public bool    add(Object o){
+        return set.add(o);
+    }
+    public bool    add(String o){
+        return add(stringcast(o));
+    }
+    public bool    addAll(Collection c){
+        implMissing( __FILE__, __LINE__ );
+        return false;
+    }
+    public void   clear(){
+        set.clear();
+    }
+    public bool    contains(Object o){
+        return set.contains(o);
+    }
+    public bool     contains(String o){
+        return contains(stringcast(o));
+    }
+    public bool    containsAll(Collection c){
+        implMissing( __FILE__, __LINE__ );
+        return false;
+    }
+    public override int    opEquals(Object o){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+    public override hash_t    toHash(){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+    public bool    isEmpty(){
+        return set.isEmpty();
+    }
+    class LocalIterator : Iterator {
+        SetType.Iterator iter;
+        Object nextElem;
+        this( SetType.Iterator iter){
+            this.iter = iter;
+        }
+        public bool hasNext(){
+            return iter.next(nextElem);
+        }
+        public Object next(){
+            return nextElem;
+        }
+        public void  remove(){
+            iter.remove();
+        }
+    }
+    public Iterator   iterator(){
+        return new LocalIterator(set.iterator());
+    }
+    public bool    remove(Object o){
+        return set.remove(o);
+    }
+    public bool remove(String key){
+        return remove(stringcast(key));
+    }
+    public bool    removeAll(Collection c){
+        implMissing( __FILE__, __LINE__ );
+        return false;
+    }
+    public bool    retainAll(Collection c){
+        implMissing( __FILE__, __LINE__ );
+        return false;
+    }
+    public int    size(){
+        return set.size();
+    }
+    public Object[]   toArray(){
+        Object[] res;
+        res.length = size();
+        int idx = 0;
+        foreach( o; set ){
+            res[idx] = o;
+            idx++;
+        }
+        return res;
+    }
+    public Object[]   toArray(Object[] a){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+    public override String toString(){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+
+    // only for D
+    public int opApply (int delegate(ref Object value) dg){
+        return set.opApply(dg);
+    }
+
+}
+