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How to add time delay in JFrame ?

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First of all, sorry for my bad english.

Now I have to demo how the sort code work on Java JFrame but the problem is I dont know how to make the delay between the switch.
How can I add the delay when mark the column with color ? Already searched on many threads by googles but i'm too newbie to know how the code work with Swing timer.


public void MarkColumn(JLabel column) {
        column.setBackground(new Color(255, 153, 0));
        //Delay 1.5 seconds;
        
    }

public void UnmarkColumn(JLabel column) {
        column.setBackground(new Color(51, 153, 255));
        //Delay 1.5 seconds;
    }

void sort()
{
            for (int i = 0; i < list.size() - 1; i++) {
                MarkColumn(columns.get(i));
                for (int j = list.size() - 1; j > i; j--) {
                    MarkColumn(columns.get(j));
                    if (list.get(j).getPoint() < list.get(j - 1).getPoint()) {
                        SinhVien tg = list.get(j - 1);
                        list.set(j - 1, list.get(j));
                        list.set(j, tg);
                    }
                    UnmarkColumn(columns.get(j));
                }
                UnmarkColumn(columns.get(i));
            }
}

Very appreciated for your helps.

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Thread

How to add time delay in JFrame ? Khoa Bach Tran <curianhg@gmail.com> - 2013-10-20 07:11 -0700
  Re: How to add time delay in JFrame ? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2013-10-20 13:44 -0700

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