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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import java.util.Random;
 
import javax.swing.Timer;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
 
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
 
import com.phidgets.PhidgetException;
import com.phidgets.TemperatureSensorPhidget;
import com.phidgets.event.AttachEvent;
import com.phidgets.event.AttachListener;
import com.phidgets.event.DetachEvent;
import com.phidgets.event.DetachListener;
import com.phidgets.event.ErrorEvent;
import com.phidgets.event.ErrorListener;
import com.phidgets.event.TemperatureChangeEvent;
import com.phidgets.event.TemperatureChangeListener;
 
/**
 * An example to show how we can create a dynamic chart.
*/
public class ChartMaker extends ApplicationFrame implements ActionListener {
 
    /** The time series data. */
    private TimeSeries series;
 
    /** The most recent value added. */
    private double lastValue = 0.0;
 
    /** Timer to refresh graph after every second */
    private Timer timer = new Timer(1000, this);
 
 
    public ChartMaker(final String title) {
 
        super(title);
        this.series = new TimeSeries("Temperature", Millisecond.class);
        final TimeSeriesCollection dataset = new TimeSeriesCollection(this.series);
        final JFreeChart chart = createChart(dataset);
 
        // 1/4 second
        timer.setInitialDelay(0);
 
        //Sets background color of chart
        chart.setBackgroundPaint(Color.LIGHT_GRAY);
 
        //Created JPanel to show graph on screen
        final JPanel content = new JPanel(new BorderLayout());
        content.setSize(new java.awt.Dimension(1290, 300));
 
        //Created Chartpanel for chart area
        final ChartPanel chartPanel = new ChartPanel(chart);
 
        JButton stopButton = new JButton("Stop");
        stopButton.addActionListener(new ActionListener() { 
        	  public void actionPerformed(ActionEvent e) { 
        		  pause();
        	  }
        });
 
        chartPanel.add(stopButton);
 
        JButton startButton = new JButton("Start");
        startButton.addActionListener(new ActionListener() { 
        	  public void actionPerformed(ActionEvent e) {
        		 start();
        	  }
        });
 
        chartPanel.add(startButton);
        content.add(chartPanel);
 
        JFrame aframe = new JFrame();
        aframe.setSize(new java.awt.Dimension(800, 500));
        aframe.setContentPane(content);
        aframe.setVisible(true);
        aframe.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    }
 
 
 
    /**
     * Creates a Roast chart.
     *
     * @param dataset  the dataset.
     *
     * @return A Roast Chart.
     */
    private JFreeChart createChart(final XYDataset dataset) {
        final JFreeChart result = ChartFactory.createTimeSeriesChart(
            "RoastRadar",
            "Time",
            "Temperature (C°)",
            dataset,
            true,
            true,
            false
        );
        final XYPlot plot = result.getXYPlot();
 
        plot.setBackgroundPaint(new Color(0xffffe0));
        plot.setDomainGridlinesVisible(true);
        plot.setDomainGridlinePaint(Color.lightGray);
        plot.setRangeGridlinesVisible(true);
        plot.setRangeGridlinePaint(Color.lightGray);
 
        ValueAxis xaxis = plot.getDomainAxis();
        xaxis.setAutoRange(true);
 
        //Domain axis would show data of 30 seconds for a time
        xaxis.setFixedAutoRange(30000.0);
        xaxis.setVerticalTickLabels(true);
 
        ValueAxis yaxis = plot.getRangeAxis();
 
 
        //plot.setRenderer(this.datasetIndex, new StandardXYItemRenderer());
 
        return result;
    }
 
    /**
     * Ticks sensor for temperature every second
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e) {
		Random r = new Random();
    	double randomValue = 0 + (400 - 0) * r.nextDouble();
 
        this.series.add(new Millisecond(), randomValue);
 
        //System.out.println("Current Time in Milliseconds = " + new Millisecond().toString()+", Current Value : "+this.lastValue);
        return;
    }
 
    public void pause() {
        this.timer.stop();
    }
 
    public void start() {
    	timer = new Timer(1000, this);
    	timer.start();
    }
 
    /**
     * Starting point for the dynamic graph application.
     *
     * @param args  ignored.
     
    public static void main(final String[] args) {
    	
        final ChartMaker demo = new ChartMaker("RoastRadar");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);
    }*/
}  

Main.java:40: error: class ChartMaker is public, should be declared in a file named ChartMaker.java
public class ChartMaker extends ApplicationFrame implements ActionListener {
       ^
Main.java:14: error: package org.jfree.chart does not exist
import org.jfree.chart.ChartFactory;
                      ^
Main.java:15: error: package org.jfree.chart does not exist
import org.jfree.chart.ChartPanel;
                      ^
Main.java:16: error: package org.jfree.chart does not exist
import org.jfree.chart.JFreeChart;
                      ^
Main.java:17: error: package org.jfree.chart.axis does not exist
import org.jfree.chart.axis.ValueAxis;
                           ^
Main.java:18: error: package org.jfree.chart.plot does not exist
import org.jfree.chart.plot.XYPlot;
                           ^
Main.java:19: error: package org.jfree.data.time does not exist
import org.jfree.data.time.Millisecond;
                          ^
Main.java:20: error: package org.jfree.data.time does not exist
import org.jfree.data.time.TimeSeries;
                          ^
Main.java:21: error: package org.jfree.data.time does not exist
import org.jfree.data.time.TimeSeriesCollection;
                          ^
Main.java:22: error: package org.jfree.data.xy does not exist
import org.jfree.data.xy.XYDataset;
                        ^
Main.java:23: error: package org.jfree.ui does not exist
import org.jfree.ui.ApplicationFrame;
                   ^
Main.java:24: error: package org.jfree.ui does not exist
import org.jfree.ui.RefineryUtilities;
                   ^
Main.java:26: error: package com.phidgets does not exist
import com.phidgets.PhidgetException;
                   ^
Main.java:27: error: package com.phidgets does not exist
import com.phidgets.TemperatureSensorPhidget;
                   ^
Main.java:28: error: package com.phidgets.event does not exist
import com.phidgets.event.AttachEvent;
                         ^
Main.java:29: error: package com.phidgets.event does not exist
import com.phidgets.event.AttachListener;
                         ^
Main.java:30: error: package com.phidgets.event does not exist
import com.phidgets.event.DetachEvent;
                         ^
Main.java:31: error: package com.phidgets.event does not exist
import com.phidgets.event.DetachListener;
                         ^
Main.java:32: error: package com.phidgets.event does not exist
import com.phidgets.event.ErrorEvent;
                         ^
Main.java:33: error: package com.phidgets.event does not exist
import com.phidgets.event.ErrorListener;
                         ^
Main.java:34: error: package com.phidgets.event does not exist
import com.phidgets.event.TemperatureChangeEvent;
                         ^
Main.java:35: error: package com.phidgets.event does not exist
import com.phidgets.event.TemperatureChangeListener;
                         ^
Main.java:40: error: cannot find symbol
public class ChartMaker extends ApplicationFrame implements ActionListener {
                                ^
  symbol: class ApplicationFrame
Main.java:43: error: cannot find symbol
    private TimeSeries series;
            ^
  symbol:   class TimeSeries
  location: class ChartMaker
Main.java:107: error: cannot find symbol
    private JFreeChart createChart(final XYDataset dataset) {
                                         ^
  symbol:   class XYDataset
  location: class ChartMaker
Main.java:107: error: cannot find symbol
    private JFreeChart createChart(final XYDataset dataset) {
            ^
  symbol:   class JFreeChart
  location: class ChartMaker
Main.java:55: error: cannot find symbol
        this.series = new TimeSeries("Temperature", Millisecond.class);
                          ^
  symbol:   class TimeSeries
  location: class ChartMaker
Main.java:55: error: cannot find symbol
        this.series = new TimeSeries("Temperature", Millisecond.class);
                                                    ^
  symbol:   class Millisecond
  location: class ChartMaker
Main.java:56: error: cannot find symbol
        final TimeSeriesCollection dataset = new TimeSeriesCollection(this.series);
              ^
  symbol:   class TimeSeriesCollection
  location: class ChartMaker
Main.java:56: error: cannot find symbol
        final TimeSeriesCollection dataset = new TimeSeriesCollection(this.series);
                                                 ^
  symbol:   class TimeSeriesCollection
  location: class ChartMaker
Main.java:57: error: cannot find symbol
        final JFreeChart chart = createChart(dataset);
              ^
  symbol:   class JFreeChart
  location: class ChartMaker
Main.java:70: error: cannot find symbol
        final ChartPanel chartPanel = new ChartPanel(chart);
              ^
  symbol:   class ChartPanel
  location: class ChartMaker
Main.java:70: error: cannot find symbol
        final ChartPanel chartPanel = new ChartPanel(chart);
                                          ^
  symbol:   class ChartPanel
  location: class ChartMaker
Main.java:108: error: cannot find symbol
        final JFreeChart result = ChartFactory.createTimeSeriesChart(
              ^
  symbol:   class JFreeChart
  location: class ChartMaker
Main.java:108: error: cannot find symbol
        final JFreeChart result = ChartFactory.createTimeSeriesChart(
                                  ^
  symbol:   variable ChartFactory
  location: class ChartMaker
Main.java:117: error: cannot find symbol
        final XYPlot plot = result.getXYPlot();
              ^
  symbol:   class XYPlot
  location: class ChartMaker
Main.java:125: error: cannot find symbol
        ValueAxis xaxis = plot.getDomainAxis();
        ^
  symbol:   class ValueAxis
  location: class ChartMaker
Main.java:132: error: cannot find symbol
        ValueAxis yaxis = plot.getRangeAxis();
        ^
  symbol:   class ValueAxis
  location: class ChartMaker
Main.java:149: error: cannot find symbol
        this.series.add(new Millisecond(), randomValue);
                            ^
  symbol:   class Millisecond
  location: class ChartMaker
39 errors

Standard output is empty