--- old/src/sample/nashorn/logisticmap.js	2020-04-15 18:54:19.000000000 +0530
+++ /dev/null	2020-04-15 18:54:19.000000000 +0530
@@ -1,82 +0,0 @@
-#// Usage: jjs -fx -scripting logisticmap.js -- <initial_x> <R>
-
-/*
- * 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,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-// Logistic map viewer using Java8 Streams and JavaFX
-// See also http://en.wikipedia.org/wiki/Logistic_map
-
-if (!$OPTIONS._fx || arguments.length < 2) {
-    print("Usage: jjs -fx -scripting logisticmap.js -- <initial_x> <R>");
-    exit(1);
-}
-
-// parameters for the logistic map
-var x = parseFloat(arguments[0]);
-var R = parseFloat(arguments[1]);
-var NUM_POINTS = arguments.length > 2? parseFloat(arguments[2]) : 20;
-
-// Java classes used
-var DoubleStream = Java.type('java.util.stream.DoubleStream');
-var LineChart = Java.type("javafx.scene.chart.LineChart");
-var NumberAxis = Java.type("javafx.scene.chart.NumberAxis");
-var Scene = Java.type("javafx.scene.Scene");
-var Stage = Java.type("javafx.stage.Stage");
-var XYChart = Java.type("javafx.scene.chart.XYChart");
-
-function start(stage) {
-    stage.title = "Logistic Map: initial x = ${x}, R = ${R}";
-    // make chart
-    var xAxis = new NumberAxis();
-    var yAxis = new NumberAxis();
-    var lineChart = new LineChart(xAxis, yAxis);
-    xAxis.setLabel("iteration");
-    yAxis.setLabel("x");
-    // make chart data series
-    var series = new XYChart.Series();
-    var data = series.data;
-    // populate data using logistic iteration
-    var i = 0;
-    DoubleStream
-        .generate(function() x = R*x*(1-x))
-        .limit(NUM_POINTS)
-        .forEach(
-            function(value) {
-                data.add(new XYChart.Data(i, value));
-                i++;
-            }
-         );
-    // add to stage
-    var scene = new Scene(lineChart, 800, 600);
-    lineChart.data.add(series);
-    stage.scene = scene;
-    stage.show();
-}