diff --git a/java/src/main/java/org/msgpack/Packer.java b/java/src/main/java/org/msgpack/Packer.java
index 704481da..a10bf192 100644
--- a/java/src/main/java/org/msgpack/Packer.java
+++ b/java/src/main/java/org/msgpack/Packer.java
@@ -23,6 +23,7 @@ import java.nio.ByteBuffer;
 import java.util.List;
 import java.util.Set;
 import java.util.Map;
+import java.util.Collection;
 import java.math.BigInteger;
 
 import org.msgpack.annotation.MessagePackDelegate;
@@ -480,6 +481,11 @@ public class Packer {
 				pack(e.getValue());
 			}
 			return this;
+		} else if(o instanceof Collection) {
+			Collection<Object> l = (Collection<Object>)o;
+			packArray(l.size());
+			for(Object i : l) { pack(i); }
+			return this;
 		//} else if(o instanceof Boolean) {
 		//	if((Boolean)o) {
 		//		return packTrue();
diff --git a/java/src/main/java/org/msgpack/Templates.java b/java/src/main/java/org/msgpack/Templates.java
index b6938400..270f59bb 100644
--- a/java/src/main/java/org/msgpack/Templates.java
+++ b/java/src/main/java/org/msgpack/Templates.java
@@ -30,6 +30,10 @@ public class Templates {
 		return new MapTemplate(keyTemplate, valueTemplate);
 	}
 
+	public static Template tCollection(Template elementTemplate) {
+		return new CollectionTemplate(elementTemplate);
+	}
+
 	public static Template tClass(Class target) {
 		return new ClassTemplate(target);
 	}
@@ -84,5 +88,6 @@ public class Templates {
 	public static Template tByteArray() {
 		return TByteArray;
 	}
+
 }