--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/samples/find_max_lines.js	Fri Sep 04 17:11:06 2015 +0530
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Find the file with maximum number of lines
+
+var Files = Java.type("java.nio.file.Files");
+var Integer = Java.type("java.lang.Integer");
+var Paths = Java.type("java.nio.file.Paths");
+
+var file = arguments.length == 0? "." : arguments[0];
+var ext = arguments.length > 1? arguments[1] : ".java";
+var path = Paths.get(file);
+
+// return number of lines in given Path (that represents a file)
+function lines(p) {
+    var strm = Files.lines(p);
+    try {
+        return strm.count();
+    } finally {
+        strm.close();
+    }
+}
+
+// walk files, map to file and lines, find the max    
+var obj = Files.find(path, Integer.MAX_VALUE, 
+    function(p, a) !p.toFile().isDirectory() && p.toString().endsWith(ext)).
+map(function(p) ({ path : p, lines: lines(p) })).
+max(function(x, y) x.lines - y.lines).get();
+
+// print path and lines of the max line file
+print(obj.path, obj.lines);