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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. /**
  9.  * Created by jigar.joshi on 8/27/14.
  10.  */
  11.  
  12. import java.util.Scanner;
  13.  
  14. class IdeOne extends Thread {
  15.     private boolean done = false;
  16.     String message = "";
  17.     private volatile boolean isRead = true;
  18.  
  19.     public boolean isRead() {
  20.         return isRead;
  21.     }
  22.  
  23.     public void setRead(boolean isRead) {
  24.         this.isRead = isRead;
  25.     }
  26.  
  27.     public void run() {
  28.         while (!isDone()) {
  29.             while (isRead()) {
  30.                 System.out.println("Please enter the advertisement message to be displayed (enter 'n' to exit):");
  31.                 Scanner sc2 = new Scanner(System.in);
  32.                 message = sc2.nextLine();
  33.                 if (message.equalsIgnoreCase("n")) {
  34.                     done = true;
  35.                     System.out.println("User Stopped the Message Output");
  36.                     setRead(false);
  37.                     System.out.println("Terminating");
  38.                     System.exit(0);
  39.                     continue;
  40.                 }
  41.                 setRead(false);
  42.             }
  43.             while (!(isInterrupted())) {
  44.                 try {
  45.                     System.out.print("** " + message + " **");
  46.                     Thread.sleep(1000);
  47.                 } catch (InterruptedException e) {
  48.                     System.out.println("Exception caught: " + e.getMessage());
  49.                     done = false;
  50.                     break;
  51.                 }
  52.             }
  53.         }
  54.  
  55.     }// end of 'run()' ..
  56.  
  57.     /**
  58.      * @return the done
  59.      */
  60.     public boolean isDone() {
  61.         return done;
  62.     }
  63.  
  64.     public static void main(String ar[]) {
  65.         IdeOne advt = new IdeOne();
  66.         advt.start();
  67.         Scanner sc = new Scanner(System.in);
  68.         while (true) {
  69.             while (!advt.isRead()) {
  70.                 System.out.println("main listening");
  71.                 String str = sc.nextLine();
  72.                 if (str.equals("\n")) {
  73.                     System.out.println("new line detected");
  74.                     advt.interrupt();
  75.                 }
  76.                 advt.setRead(true);
  77.             }
  78.         }
  79.     }
  80. }
Compilation error #stdin compilation error #stdout 5s 381568KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:33: error: cannot find symbol
                    done = true;
                    ^
  symbol:   variable done
  location: class IdeOne
Main.java:48: error: cannot find symbol
                    done = false;
                    ^
  symbol:   variable done
  location: class IdeOne
Main.java:60: error: cannot find symbol
        return done;
               ^
  symbol:   variable done
  location: class IdeOne
3 errors
stdout
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Standard output is empty
https://ideone.com/eEb10q
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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