diff -r 02e05defc6a0 -r 3bc4c54f4bcc samples/apifest1/day2/elementbasedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java
--- a/samples/apifest1/day2/elementbasedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java	Sat Jun 14 09:52:52 2008 +0200
+++ b/samples/apifest1/day2/elementbasedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java	Sat Jun 14 09:56:12 2008 +0200
@@ -1,22 +1,3 @@
-/*
- * The contents of this file are subject to the terms of the Common Development
- * and Distribution License (the License). You may not use this file except in
- * compliance with the License.
- *
- * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
- * or http://www.netbeans.org/cddl.txt.
- *
- * When distributing Covered Code, include this CDDL Header Notice in each file
- * and include the License file at http://www.netbeans.org/cddl.txt.
- * If applicable, add the following below the CDDL Header, with the fields
- * enclosed by brackets [] replaced by your own identifying information:
- * "Portions Copyrighted [year] [name of copyright owner]"
- *
- * The Original Software is NetBeans. The Initial Developer of the Original
- * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
- * Microsystems, Inc. All Rights Reserved.
- */
-
 package org.netbeans.apifest.boolcircuit;
 
 // BEGIN: apifest.day2.elementbasedsolution.Circuit
@@ -40,7 +21,8 @@
                 return e1.result() || e2.result();
             }
             public double doubleResult() {
-                return 1.0 - (1.0 - e1.doubleResult()) * (1.0 - e2.doubleResult());
+                return 1.0 - 
+                    (1.0 - e1.doubleResult()) * (1.0 - e2.doubleResult());
             }
         };
     }
@@ -56,7 +38,9 @@
         };
     }
     
-    public static Element operation(final Operation op, final Element... elements) {
+    public static Element operation(
+        final Operation op, final Element... elements
+    ) {
         return new Element() {
             public boolean result() {
                 return doubleResult() >= 1.0;
@@ -99,11 +83,13 @@
         }
 
         public boolean result() {
-            return booleanValue != null ? booleanValue : doubleValue >= 1.0;
+            return booleanValue != null ? 
+                booleanValue : doubleValue >= 1.0;
         }
 
         public double doubleResult() {
-            return doubleValue != null ? doubleValue : (booleanValue ? 1.0 : 0.0);
+            return doubleValue != null ? 
+                doubleValue : (booleanValue ? 1.0 : 0.0);
         }
 
     }