--- old/src/java.base/share/classes/java/lang/Boolean.java	2018-04-02 17:09:21.788083397 -0700
+++ new/src/java.base/share/classes/java/lang/Boolean.java	2018-04-02 17:09:21.492080680 -0700
@@ -129,7 +129,7 @@
      * @since 1.5
      */
     public static boolean parseBoolean(String s) {
-        return ((s != null) && s.equalsIgnoreCase("true"));
+        return "true".equalsIgnoreCase(s);
     }
 
     /**