1 files changed, 71 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/j2me/java/util/HashSet.java b/libraries/spongycastle/core/src/main/j2me/java/util/HashSet.java
new file mode 100644
index 000000000..e37cb7c8d
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/j2me/java/util/HashSet.java
@@ -0,0 +1,71 @@
+package java.util;
+
+public class HashSet
+    extends AbstractSet
+{
+    private HashMap m_HashMap = null;
+
+    public HashSet()
+    {
+        m_HashMap = new HashMap();
+    }
+
+    public HashSet(Collection c)
+    {
+        m_HashMap = new HashMap(Math.max(11, c.size() * 2));
+        addAll(c);
+    }
+
+    public HashSet(int initialCapacity)
+    {
+        m_HashMap = new HashMap(initialCapacity);
+
+    }
+
+    public Iterator iterator()
+    {
+        return (m_HashMap.keySet()).iterator();
+    }
+
+    public int size()
+    {
+        return m_HashMap.size();
+    }
+
+    public boolean contains(Object o)
+    {
+        return m_HashMap.containsKey(o);
+    }
+
+    public boolean add(Object o)
+    {
+        if (!m_HashMap.containsValue(o))
+        {
+            m_HashMap.put((Object)o, (Object)o);
+
+            return true;
+
+        }
+
+        return false;
+    }
+
+    public boolean remove(Object o)
+    {
+        return (m_HashMap.remove(o) != null);
+    }
+
+    public void clear()
+    {
+        m_HashMap.clear();
+    }
+
+
+    public Object clone()
+    {
+        HashSet hs = new HashSet();
+        hs.m_HashMap = (HashMap)m_HashMap.clone();
+        return hs;
+    }
+
+}