Merge pull request jruby#460 from atambo/master

add multiple assignment support to java.util.Collection's Fixes jruby#459

Author: headius

spec/java_integration/interfaces/collection_spec.rb

@@ -0,0 +1,16 @@
+require File.dirname(__FILE__) + "/../spec_helper"
+
+describe "Classes that implement Collection" do
+  before do
+    @first_item = 'first'
+    @second_item = 'second'
+    @items = [@first_item, @second_item]
+    @collection = Java::JavaUtil::ArrayList.new(@items)
+  end
+
+  it "should support multiple assignment" do
+    first_item, second_item = @collection
+    first_item.should eql @first_item
+    second_item.should eql @second_item
+  end
+end

src/jruby/java/java_ext/java.util.rb

@@ -29,6 +29,7 @@ def to_a
     # first
     toArray.to_a
   end
+  alias_method :to_ary, :to_a
 end
 
 module java::util::Enumeration