--- old/jdk/src/java.base/share/classes/java/lang/ClassLoader.java	2016-11-02 10:10:05.000000000 -0700
+++ new/jdk/src/java.base/share/classes/java/lang/ClassLoader.java	2016-11-02 10:10:04.000000000 -0700
@@ -222,6 +222,9 @@
     // must be added *after* it.
     private final ClassLoader parent;
 
+    // class loader name
+    private final String name;
+
     // the unnamed module for this ClassLoader
     private final Module unnamedModule;
 
@@ -331,6 +334,14 @@
     }
 
     private static Void checkCreateClassLoader() {
+        return checkCreateClassLoader(null);
+    }
+
+    private static Void checkCreateClassLoader(String name) {
+        if (name != null && name.isEmpty()) {
+            throw new IllegalArgumentException("name must be non-empty or null");
+        }
+
         SecurityManager security = System.getSecurityManager();
         if (security != null) {
             security.checkCreateClassLoader();
@@ -338,7 +349,8 @@
         return null;
     }
 
-    private ClassLoader(Void unused, ClassLoader parent) {
+    private ClassLoader(Void unused, String name, ClassLoader parent) {
+        this.name = name;
         this.parent = parent;
         this.unnamedModule
             = SharedSecrets.getJavaLangReflectModuleAccess()
@@ -356,6 +368,27 @@
     }
 
     /**
+     * Creates a new class loader of the specified name and using the
+     * specified parent class loader for delegation.
+     *
+     * @param  name   class loader name; or {@code null} if not named
+     * @param  parent the parent class loader
+     *
+     * @throws IllegalArgumentException if the given name is empty.
+     *
+     * @throws SecurityException
+     *         If a security manager exists and its
+     *         {@link SecurityManager#checkCreateClassLoader()}
+     *         method doesn't allow creation of a new class loader.
+     *
+     * @since  9
+     */
+    protected ClassLoader(String name, ClassLoader parent) {
+        this(checkCreateClassLoader(name), name, parent);
+    }
+
+
+    /**
      * Creates a new class loader using the specified parent class loader for
      * delegation.
      *
@@ -375,9 +408,10 @@
      * @since  1.2
      */
     protected ClassLoader(ClassLoader parent) {
-        this(checkCreateClassLoader(), parent);
+        this(checkCreateClassLoader(), null, parent);
     }
 
+
     /**
      * Creates a new class loader using the <tt>ClassLoader</tt> returned by
      * the method {@link #getSystemClassLoader()
@@ -394,7 +428,31 @@
      *          of a new class loader.
      */
     protected ClassLoader() {
-        this(checkCreateClassLoader(), getSystemClassLoader());
+        this(checkCreateClassLoader(), null, getSystemClassLoader());
+    }
+
+
+    /**
+     * Returns the name of this class loader or {@code null} if
+     * this class loader is not named.
+     *
+     * @apiNote This method is non-final for compatibility.  If this
+     * method is overridden, this method must return the same name
+     * as specified when this class loader was instantiated.
+     *
+     * @return name of this class loader; or {@code null} if
+     * this class loader is not named.
+     *
+     * @since 9
+     */
+    public String getName() {
+        return name;
+    }
+
+    // package-private used by StackTraceElement to avoid
+    // calling the overrideable getName method
+    final String name() {
+        return name;
     }
 
     // -- Class --
@@ -1628,6 +1686,9 @@
      * <a href="#builtinLoaders">platform classes</a> are visible to
      * the platform class loader.
      *
+     * @implNote The name of the builtin platform class loader is
+     * {@code "platform"}.
+     *
      * @return  The platform {@code ClassLoader}.
      *
      * @throws  SecurityException
@@ -1681,7 +1742,8 @@
      * this method during startup should take care not to cache the return
      * value until the system is fully initialized.
      *
-     * <p> The class path used by the built-in system class loader is determined
+     * <p> The name of the built-in system class loader is {@code "app"}.
+     * The class path used by the built-in system class loader is determined
      * by the system property "{@code java.class.path}" during early
      * initialization of the VM. If the system property is not defined,
      * or its value is an empty string, then there is no class path