1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/samples/for_each.js Wed Apr 27 01:36:41 2016 +0800 1.3 @@ -0,0 +1,66 @@ 1.4 +/* 1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 1.6 + * 1.7 + * Redistribution and use in source and binary forms, with or without 1.8 + * modification, are permitted provided that the following conditions 1.9 + * are met: 1.10 + * 1.11 + * - Redistributions of source code must retain the above copyright 1.12 + * notice, this list of conditions and the following disclaimer. 1.13 + * 1.14 + * - Redistributions in binary form must reproduce the above copyright 1.15 + * notice, this list of conditions and the following disclaimer in the 1.16 + * documentation and/or other materials provided with the distribution. 1.17 + * 1.18 + * - Neither the name of Oracle nor the names of its 1.19 + * contributors may be used to endorse or promote products derived 1.20 + * from this software without specific prior written permission. 1.21 + * 1.22 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 1.23 + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1.24 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1.25 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 1.26 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1.27 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1.28 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 1.29 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 1.30 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 1.31 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 1.32 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.33 + */ 1.34 + 1.35 +// nashorn supports for..each extension supported 1.36 +// by Mozilla. See also 1.37 +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in 1.38 + 1.39 +var strs = [ "hello", "world" ]; 1.40 +for each (str in strs) 1.41 + print(str); 1.42 + 1.43 +// create a java int[] object 1.44 +var JArray = Java.type("int[]"); 1.45 +var arr = new JArray(10); 1.46 + 1.47 +// store squares as values 1.48 +for (i in arr) 1.49 + arr[i] = i*i; 1.50 + 1.51 +// for .. each on java arrays 1.52 +print("squares"); 1.53 +for each (i in arr) 1.54 + print(i); 1.55 + 1.56 +var System = Java.type("java.lang.System"); 1.57 + 1.58 +// for..each on java Iterables 1.59 +// print System properties as name = value pairs 1.60 +print("System properties"); 1.61 +for each (p in System.properties.entrySet()) { 1.62 + print(p.key, "=", p.value); 1.63 +} 1.64 + 1.65 +// print process environment vars as name = value pairs 1.66 +print("Process environment"); 1.67 +for each (e in System.env.entrySet()) { 1.68 + print(e.key, "=", e.value); 1.69 +}