diff --git a/bin/j4/ClockImpl.class b/bin/j4/ClockImpl.class
index 9deb319..5d8488e 100644
--- a/bin/j4/ClockImpl.class
+++ b/bin/j4/ClockImpl.class
Binary files differ
diff --git a/src/j4/ClockImpl.java b/src/j4/ClockImpl.java
index bf27788..9f0b82d 100644
--- a/src/j4/ClockImpl.java
+++ b/src/j4/ClockImpl.java
@@ -24,7 +24,7 @@
 	//-----------------------------
 	public String putTime(){	// 現在の時刻を返す
 		Date d = new Date() ;
-		// System.out.println(d);
+		System.out.println(d);
 		return d.toString() ;
 	}
 } // end of ClockImpl