feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/java/nio/file/FileSystemLoopException.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2010, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.nio.file;
+
+/**
+ * Checked exception thrown when a file system loop, or cycle, is encountered.
+ *
+ * @since 1.7
+ * @see Files#walkFileTree
+ */
+
+public class FileSystemLoopException
+    extends FileSystemException
+{
+    private static final long serialVersionUID = 4843039591949217617L;
+
+    /**
+     * Constructs an instance of this class.
+     *
+     * @param   file
+     *          a string identifying the file causing the cycle or {@code null} if
+     *          not known
+     */
+    public FileSystemLoopException(String file) {
+        super(file);
+    }
+}