javamap.js revision 802:235d22ccfd24 
1/*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 *
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5 * modification, are permitted provided that the following conditions
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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
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30 */
31
32// Java Map keys as properties
33
34// Demonstrating Java Map key/value can be accessed
35// as property/value from script.
36
37var HashMap = Java.type("java.util.HashMap");
38var map = new HashMap();
39
40// map key-value access by java get/put method calls
41map.put('js', 'nashorn');
42print(map.get('js'));
43
44// access keys of map as properties
45print(map['js']);
46print(map.js);
47
48// also assign new key-value pair
49// as 'property-value'
50map['language'] = 'java';
51print(map.get("language"));
52print(map.language);
53print(map['language']);
54
55map.answer = 42;
56print(map.get("answer"));
57print(map.answer);
58print(map['answer']);
59