Add new example.

js/rhino/examples/enum.js

@@ -0,0 +1,35 @@
+/*
+	enum.js
+	
+	Implementing the interface java.util.Enumeration using the new syntax.
+	Note that this syntax is experimental only, and hasn't been approved
+	by ECMA. 
+	The same functionality can be had without the new syntax using the
+	uglier syntax:
+
+		var elements = new JavaAdapter(java.util.Enumeration, {
+						index: 0, elements: array,
+						hasMoreElements: function ...
+						nextElement: function ...
+		});
+	
+	by Patrick C. Beard.
+ */
+
+// an array to enumerate.
+var array = [0, 1, 2];
+
+// create an array enumeration.
+var elements = new java.util.Enumeration() {
+	index: 0, elements: array,
+	hasMoreElements: function() {
+		return (this.index < this.elements.length);
+	},
+	nextElement: function() {
+		return this.elements[this.index++];
+	}
+};
+
+// now print out the array by enumerating through the Enumeration
+while (elements.hasMoreElements())
+	print(elements.nextElement());