added getSize()

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@191 30ef5769-5b8d-40dd-aea6-55b5d6557bb3

src/main/javassist/bytecode/ConstPool.java

         strings = new HashMap();
     }
 
+    /**
+     * Returns the number of entries in this table.
+     */
+    public int getSize() {
+        return numOfItems;
+    }
+
     /**
      * Returns the name of the class using this constant pool table.
      */