--- old/src/java.base/share/classes/java/nio/charset/Charset.java	2015-07-07 17:00:17.259449600 +0300
+++ new/src/java.base/share/classes/java/nio/charset/Charset.java	2015-07-07 17:00:17.008839600 +0300
@@ -593,6 +593,7 @@
     }
 
     private static volatile Charset defaultCharset;
+    private static volatile Charset defaultUnicodeCharset;
 
     /**
      * Returns the default charset of this Java virtual machine.
@@ -620,6 +621,34 @@
         return defaultCharset;
     }
 
+    /**
+     * Returns the default unicode charset of this Java virtual machine.
+     *
+     * <p> The default unicode charset is determined during virtual-machine startup
+     * and depends on command line option "file.encoding.unicode".
+     * UTF8 is used by default.
+     *
+     * @return  A charset object for the default unicode charset
+     *
+     */
+    public static Charset defaultUnicodeCharset() {
+        if (defaultUnicodeCharset == null) {
+            synchronized (Charset.class) {
+                defaultUnicodeCharset = forName("UTF-8");
+
+                String csn = AccessController.doPrivileged(
+                    new GetPropertyAction("file.encoding.unicode"));
+                if (csn != null) {
+                    Charset cs = lookup(csn);
+                    if (cs != null) {
+                        defaultUnicodeCharset = cs;
+                    }
+                }
+            }
+        }
+        return defaultUnicodeCharset;
+    }
+
 
     /* -- Instance fields and methods -- */