import javax.swing.*;
public class RunnableTwo implements Runnable {
   private Thread t = new Thread(this);
   private JTextArea textArea;
   private boolean alive;
   private boolean active;
   public RunnableTwo(JTextArea textArea) {
      this.textArea = textArea;
      active = true;
      alive = true;
      t.start();
   }
   public void kill(){
      active = false;
      alive = false;
   }
   public void pause(){
      active = false;
   }
   public void restart(){
      active = true;
   }
   public void run() {
      while(alive){
	 while(active){
	    textArea.append("Thread 2\n");
	    textArea.setCaretPosition(textArea.getText().length());
	    try { t.sleep(1000); } catch(InterruptedException ie) {}
	 }
      }
   }
}