nashorn/samples/javamap.js
author dcubed
Sat, 24 Oct 2015 15:44:08 -0700
changeset 33595 5830c3ae532d
parent 26067 b32ccc3a76c9
permissions -rw-r--r--
8047212: runtime/ParallelClassLoading/bootstrap/random/inner-complex assert(ObjectSynchronizer::verify_objmon_isinpool(inf)) failed: monitor is invalid Summary: Fix race between ObjectMonitor alloc and verification code; teach SA about "static pointer volatile" fields. Reviewed-by: cvarming, dholmes, sspitsyn, coleenp

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// Java Map keys as properties

// Demonstrating Java Map key/value can be accessed
// as property/value from script.

var HashMap = Java.type("java.util.HashMap");
var map = new HashMap();

// map key-value access by java get/put method calls
map.put('js', 'nashorn');
print(map.get('js'));

// access keys of map as properties
print(map['js']);
print(map.js);

// also assign new key-value pair
// as 'property-value'
map['language'] = 'java';
print(map.get("language"));
print(map.language);
print(map['language']);

map.answer = 42;
print(map.get("answer"));
print(map.answer);
print(map['answer']);