| author | sundar |
| Wed, 09 Dec 2015 16:56:34 +0530 | |
| changeset 34549 | 412a690d4414 |
| parent 34548 | nashorn/samples/array_stream.js@44779bfb4c13 |
| permissions | -rw-r--r-- |
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# Usage: jjs -cp array_stream_linker.jar array_stream.js |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* - Neither the name of Oracle nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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// This script depends on array stream dynalink linker |
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// to work as expected. Without that linker in jjs classpath, |
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// this script will fail to run. |
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// Object[] and then Stream |
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var s = Java.to(["hello", "world"]).stream |
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s.map(function(s) s.toUpperCase()).forEach(print) |
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// IntStream |
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var is = Java.to([3, 56, 4, 23], "int[]").stream |
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print(is.map(function(x) x*x).sum()) |
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// DoubleStream |
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var DoubleArray = Java.type("double[]")
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var arr = new DoubleArray(100) |
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for (var i = 0; i < arr.length; i++) |
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arr[i] = Math.random() |
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print(arr.stream.summaryStatistics()) |
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