View difference between Paste ID: KFVZUGQL and tM4CB91K

 package hw461;
 
 /***********************************************************
  * Program Assignment #1 (CIS 461, Fall 2016)              *
  * Submitted By: Jason Dorsey, Michael White                      *
  * SID: 0001502537   0001385222                 *
  * Date: 9/29/2017                            *
  ***********************************************************/
 
 /**
  * CIS 461: Formal Methods for Software Engineering
  * FM Radio Demonstration
  * The radio project class: RadioProj.java
  *
  * @author Haiping Xu
  * Revised on Sept. 15, 2016
  **/
 
 
 import java.awt.BorderLayout;
 import java.awt.Container;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 
 public class RadioProj implements Runnable, ActionListener {
     private final static int freqTop = 108;
     private final static int freqBottom = 88;
     private float frequency = freqTop;
     private double[] lockFrequency = {105.9, 101.8, 98.5, 95.6, 92.1};
     private DisplayPanel display;
     private JButton on;
     private JButton off;
     private JButton scan;
     private JButton reset;
     private volatile Thread searchChannel;
 
     public void init() {
         JFrame frame = new JFrame("FM Radio");
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         Container pane = frame.getContentPane();
 
         display=new DisplayPanel("FM Radio");
         pane.add(display, BorderLayout.CENTER);
 
         JPanel p = new JPanel();
         on = new JButton("on");
         on.addActionListener(this);
         p.add(on);
 
         off = new JButton("off");
         off.addActionListener(this);
         p.add(off);
 
         scan = new JButton("scan");
         scan.addActionListener(this);
         p.add(scan);
 
         reset = new JButton("reset");
         reset.addActionListener(this);
         p.add(reset);
 
         pane.add(p, BorderLayout.SOUTH);
 
         frame.pack();
         frame.setSize(350, 300);
         frame.setVisible(true);
     }
 
     public static void main(String[] argv) {
         RadioProj radio = new RadioProj();
         radio.init();
     }
 
     private boolean scanner = false;
     @Override
     public void actionPerformed(ActionEvent e) {
         // TODO Auto-generated method stub
         if (e.getActionCommand().equals("on")) {
             display.turnOn();
             frequency =  freqTop;
             display.setValue(frequency);
         }
         else if (e.getActionCommand().equals("off")) {
             display.turnOff();
             // searchChannel.stop(); -- deprecated, do not use
             searchChannel = null;
         }
         else if (e.getActionCommand().equals("scan")) {
             if (display.isOn()) scanning();
         }
         else if (e.getActionCommand().equals("reset")) {
             if (display.isOn()) reset();
         };
     }
 
 
     //  ====>>>>> Complete the methods below this line! <<<<<====
 
     private void scanning() {
 
         // ==> 1. Add your code here!
 
         if (!this.scanner) {
             this.searchChannel = new Thread(this);
             this.searchChannel.start();
             this.scanner = true;
         }
         else this.scanner = false;
     }
 
     private void reset() {
         // ==> 2. Add your code here!
         this.display.setValue(this.frequency);
         this.frequency = (float)108.0;
     }
 
     @Override
     public void run() {
         // ==> 3. Add your code here!
         while ((this.searchChannel != null) && (this.frequency > freqBottom)) {
             this.frequency -= 0.1;
             this.display.setValue(this.frequency);
             try {
                 Thread.sleep(100);
             }
             catch (InterruptedException e) {
                 e.printStackTrace();
             }
             int freq = -1;
             for (int x = 0; x < 5; x++)
                 if (Math.abs(this.frequency - this.lockFrequency[x]) < 0.01)
                     freq = x;
             if (freq != -1)
                 break;
         }
         this.scanner = false;
     }
 }