nashorn/samples/javamap.js
author ddmitriev
Wed, 21 Sep 2016 16:46:13 +0300
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8150758: [TESTBUG] need jvmti tests for module aware agents Reviewed-by: sspitsyn, dsamersoff
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/*
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 * Copyright (c) 2014, 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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// Java Map keys as properties
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// Demonstrating Java Map key/value can be accessed
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// as property/value from script.
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var HashMap = Java.type("java.util.HashMap");
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var map = new HashMap();
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// map key-value access by java get/put method calls
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map.put('js', 'nashorn');
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print(map.get('js'));
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// access keys of map as properties
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print(map['js']);
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print(map.js);
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// also assign new key-value pair
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// as 'property-value'
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map['language'] = 'java';
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print(map.get("language"));
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print(map.language);
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print(map['language']);
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map.answer = 42;
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print(map.get("answer"));
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print(map.answer);
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print(map['answer']);