1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of Oracle nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 // nashorn supports for..each extension supported 33 // by Mozilla. See also 34 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in 35 36 var strs = [ "hello", "world" ]; 37 for each (str in strs) 38 print(str); 39 40 // create a java int[] object 41 var JArray = Java.type("int[]"); 42 var arr = new JArray(10); 43 44 // store squares as values 45 for (i in arr) 46 arr[i] = i*i; 47 48 // for .. each on java arrays 49 print("squares"); 50 for each (i in arr) 51 print(i); 52 53 var System = Java.type("java.lang.System"); 54 55 // for..each on java Iterables 56 // print System properties as name = value pairs 57 print("System properties"); 58 for each (p in System.properties.entrySet()) { 59 print(p.key, "=", p.value); 60 } 61 62 // print process environment vars as name = value pairs 63 print("Process environment"); 64 for each (e in System.env.entrySet()) { 65 print(e.key, "=", e.value); 66 }