//file VariasThreads.java
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

class Escrita implements Runnable {
	private int i;
	private static int cont=0;
	private int identificacao;
	static JTextArea textArea = new JTextArea(20,60);
	static JScrollPane scroller = new JScrollPane(textArea);
	
	public void run() {
		while(true) {
			String result = ("Thread Número (" + identificacao + ") " + i ++ + "\n");
			VariasThreads2.escreveResultado(result);
			try {
				Thread.sleep(500);	
			}
			catch(InterruptedException e) { }
		}
	}	
	
	public Escrita() {
		cont++;
		identificacao = cont;	
	}
}

public class VariasThreads2 {
	static JTextArea textArea = new JTextArea(10,20);
	static JScrollPane scroller = new JScrollPane(textArea);
	
	public static void main(String[] args) {
		new Thread(new Escrita()).start();
		new Thread(new Escrita()).start();
		JOptionPane.showMessageDialog(null, scroller, "Várias Threads 2", JOptionPane.PLAIN_MESSAGE);	
	}
	
	public static void escreveResultado(String result) {
		textArea.append(result);
	}
}