Java: why is this code not working? Infinite loop?

Question

So as you may be able to tell from my attempt, I\'m trying to figure out how I\'d make a program which gives the user 5 seconds to enter some lines of text, then the Scanner wil

Answer 1

Well this solution is not really good. but works.

public class FiveSecond {
  public static void main(String args[]){
    new Thread(new Count(new Reader())).start();
  }
}
class Count implements Runnable{
  Reader r;Thread t;
  Robot ro;
  public Count(Reader t){this.r=t;
  try {
    ro=new Robot();
  } catch (AWTException e) {e.printStackTrace();}
  }
  @Override
  public void run() {
    t=new Thread(r);
    //t.setDaemon(true); //[S2]
    t.start();
    try{
    Thread.sleep(5000);
    }catch(Exception e){}
    t.interrupt();
    //Implicitly press the enter key in order to release the readLine() method :D
    //not recommended, and it's not a good idea, but works
    ro.keyPress(KeyEvent.VK_ENTER);
    ro.keyRelease(KeyEvent.VK_ENTER);
    /*
     * this is possible to save the strings lines in somewhere in order to access from invoker application
     * or send back the strings by socket, etc . . .
     */
    System.out.println("number of entered lines "+r.getCount()+"\n");
    //you would run this main as a process and get the number of counts 
    //System.exit(r.getCount()); //[S2]
  }
}

class Reader implements Runnable{
  private List lines;
  private volatile int count;
  private BufferedReader br;
  public Reader(){
    lines=new ArrayList();
    br=new BufferedReader(new InputStreamReader(System.in));
  }
  @Override
  public void run() {
    try{String line;
      System.out.println("you have 5 second to detect a 2048 length character, then your system will broken");
      while((line=br.readLine())!=null){
        if(!Thread.currentThread().isInterrupted()){
      count++;lines.add(line);}else{break;}
      }
      //for showing the lines entered
      //System.out.println(lines.toString());
    }catch(Exception ex){}
  }
  public int getCount(){return this.count;}  
}

but the best approach is about running a separated process to count the lines, and you would just remove the [S2] comments to achieve it.