import javax.swing.*;
public class ThreadOne extends Thread {
	private boolean alive;
	private JTextArea textArea;
	public ThreadOne(JTextArea textArea) {
		this.textArea = textArea;
		alive = true;
		start();
	}
	public void kill(){
		alive = false;
	}
	public void run() {
		while(alive){
			textArea.append("Thread 1\n");
			textArea.setCaretPosition(textArea.getText().length());
			try { sleep(1000); } catch(InterruptedException ie) {}
		}
	}
}