nashorn/samples/uniform_random.js
author lana
Fri, 18 Jul 2014 08:25:26 -0700
changeset 25597 6073de33135f
parent 24283 bda887c0088a
child 26067 b32ccc3a76c9
permissions -rw-r--r--
Merge

/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */

// generate/print 100 uniformly distributed random values
// and print summary statistics on it

var DoubleStream = Java.type("java.util.stream.DoubleStream");

// pass script function when a lambda is required
// Math.random passed here for double generator lambda
// print passed to forEach method

DoubleStream
    .generate(Math.random)
    .limit(100)
    .forEach(print);

print(DoubleStream
    .generate(Math.random)
    .limit(100)
    .summaryStatistics());