diff -r 2e3bd98c5664 -r bda887c0088a nashorn/samples/for_each.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nashorn/samples/for_each.js Wed May 07 20:20:58 2014 +0530 @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2014, 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. + */ + +// nashorn supports for..each extension supported +// by Mozilla. See also +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in + +var strs = [ "hello", "world" ]; +for each (str in strs) + print(str); + +// create a java int[] object +var JArray = Java.type("int[]"); +var arr = new JArray(10); + +// store squares as values +for (i in arr) + arr[i] = i*i; + +// for .. each on java arrays +print("squares"); +for each (i in arr) + print(i); + +var System = Java.type("java.lang.System"); + +// for..each on java Iterables +// print System properties as name = value pairs +print("System properties"); +for each (p in System.properties.entrySet()) { + print(p.key, "=", p.value); +} + +// print process environment vars as name = value pairs +print("Process environment"); +for each (e in System.env.entrySet()) { + print(e.key, "=", e.value); +}