jdk/src/share/classes/java/lang/Class.java
changeset 25392 0eabdbb887aa
parent 24867 c3514175b6cd
child 25517 f3c83ab83a16
--- a/jdk/src/share/classes/java/lang/Class.java	Fri Jun 20 10:10:27 2014 -0700
+++ b/jdk/src/share/classes/java/lang/Class.java	Tue Jun 24 11:23:34 2014 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -130,11 +130,15 @@
     }
 
     /*
-     * Constructor. Only the Java Virtual Machine creates Class
-     * objects.
+     * Private constructor. Only the Java Virtual Machine creates Class objects.
+     * This constructor is not used and prevents the default constructor being
+     * generated.
      */
-    private Class() {}
-
+    private Class(ClassLoader loader) {
+        // Initialize final field for classLoader.  The initialization value of non-null
+        // prevents future JIT optimizations from assuming this final field is null.
+        classLoader = loader;
+    }
 
     /**
      * Converts the object to a string. The string representation is the
@@ -677,8 +681,10 @@
     }
 
     // Package-private to allow ClassLoader access
-    native ClassLoader getClassLoader0();
-
+    ClassLoader getClassLoader0() { return classLoader; }
+
+    // Initialized in JVM not by private constructor
+    private final ClassLoader classLoader;
 
     /**
      * Returns an array of {@code TypeVariable} objects that represent the