Question

Is there any way to refresh the counter in jLabel when a button
is on click? I tried with repaint(), revalidate() methods already but all does not work.

When like button is on click :

    jButton_like.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent e) {
                int count = 1;
                eForumLikeCounter likeAmount = new eForumLikeCounter(
                        userName, topicId, count);
                if (likeAmount.checkLikeAmount() == true) {
                    JOptionPane
                            .showMessageDialog(null,
                                    "Unable to perform like on the same thread by the same user");
                } else if (likeAmount.checkDislikeExists() == true) {
                    JOptionPane
                            .showMessageDialog(null,
                                    "You can only either like or dislike this thread");
                } else {
                    likeAmount.likeCounter();
                }
            }
        });
    }

Set up for database :

    public void SetUpLikeDislikeAmount() {
    int likes = 0;
    int dislike = 0;
    // Set Up Database Source
    db.setUp("IT Innovation Project");
    String sql = "Select likeDislike_likes,likeDislike_dislike from forumLikeDislike WHERE likeDislike_topics = "
            + topicId + "";
    ResultSet resultSet = null;
    // Call readRequest to get the result
    resultSet = db.readRequest(sql);
    try {
        while (resultSet.next()) {
            likes += resultSet.getInt("likeDislike_likes");
            dislike += resultSet.getInt("likeDislike_dislike");
        }
        resultSet.close();
    } catch (Exception e) {
        System.out.println(e);
    }
    jLabel_like.setText(Integer.toString(likes));
    jLabel_dislike.setText(Integer.toString(dislike));
}

Thanks in advance.

Answer 1

Just use the setText() method of the JLabel. Probably something like:

counter.setText("");

or

counter.setText("0");