Question

In my button execution, I am calling 2 methods.

plotButton.addSelectionListener(new SelectionAdapter() {
    public void widgetSelected(SelectionEvent e) {
        startPrinterListOperation();  
        showAplotPlotterDialog();
    }
});

The startPrinterListOperation(); takes some time to complete its task. But I do not want the method showAplotPlotterDialog(); to run until the first one has completed. So I am trying to use thread management to achieve this. Here is what I have tried.

plotButton.addSelectionListener(new SelectionAdapter() {
    public void widgetSelected(SelectionEvent e) {
        Thread t = new Thread() {
            public void run() {
                startPrinterListOperation();  
            }
        };
        t.start();
        try {
            t.join();
        }
        catch (InterruptedException e1) {
            e1.printStackTrace();
        }

        showAplotPlotterDialog();

    }
});  

But the second method stills starts before the first one has finished.

Answer 1

I would not bother with threads, this will just make your program overly complicated.

Can you edit the startPrinterListOperation() method?

I would instead add showAplotPlotterDialog(); to the end of the startPrinter method, and the last last thing the method does.