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There is a JTabbedPane In my Swing program.
When user clicks on a tab, the program takes a while to get the data and process the results, then shows the results in the selected tab.
How can I display a hour glass, or something of that effect so that user knows it’s processing data? Not to click on the tab again before it finishes it job.
A JProgressBar (possibly in indetermiante mode) sounds right – put that on the tab until the data has been fetched. A well-designed UI shouldn’t force the user to wait for long-running tasks to complete and instead allow them to do something else inbetween.