Thread to synchronize blinking buttons

Question

I have a infinite loop that test which button should blink. Only one button should blink per time.
//this blink the buttons
int delay = 700; // milliseconds (or 0.7 sec)
     ActionListener taskPerformer = new ActionListener() {
     public void actionPerformed(ActionEvent evt) {
     //...Perform a task...
          auxButton.setVisible(false);
     Timer timer = new Timer(500, new ActionListener() {
     public void actionPerformed(ActionEvent evt) {
     //...Perform a task...
          auxButton.setVisible(true);
     timer.setRepeats(false); // This means it will only happen once!
     timer.start();
//infinite loop
while(true)
               if(vetor_game[i] == BLUE)
                    //blink the blue button
                    auxButton=blue;
                    Timer timer = new Timer(delay, taskPerformer);
                    timer.setRepeats(false);
                    timer.start();     
               else if(vetor_game[i] == RED)
                    //blink the red button
                    auxButton=red;
                    Timer timer = new Timer(delay, taskPerformer);
                    timer.setRepeats(false); nce!
                    timer.start();
else if (yellow).......
else if (green) .........and so on....
Many times, when auxButton = blue, for example, the loop carry on and auxButton = red before the taskPerformer with the blue button finishes. I need that the taskPerformer finishes before some new button acess it.

Answer 1

I have no idea what it is you actually want to accomplish. Maybe this will helpimport java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Test3 extends JFrame implements Runnable {
  JButton[] jbs = new JButton[20];
  public Test3() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container content = getContentPane();
    content.setLayout(new FlowLayout());
    for (int i=0; i<jbs.length; i++) {
      content.add(jbs[i] = new JButton("B-"+i));
    new Thread(this).start();
    setSize(300,300);
    setVisible(true);
  public void run() {
    int i=0;
    while (true) {
      jbs.setBackground(Color.lightGray);
i++;
if (i>=jbs.length) i=0;
jbs[i].setBackground(Color.pink);
try { Thread.sleep(1000); } catch (Exception e) {}
public static void main(String[] args) { new Test3(); }