Creating a JProgressBar Component with an Unknown Maximum
A progress bar with an unknown maximum typically displays
an animation until the task is complete.
Note: The percentage display should not be enabled when the
maximum is not known (Displaying the Percentage Done on a JProgressBar Component).
When information on the task's progress is available, the progress
bar can be made determinate:
// Create a horizontal progress bar
int min = 0;
int max = 100;
JProgressBar progress = new JProgressBar(min, max);
// Play animation
progress.setIndeterminate(true);
int value = 33;
progress.setValue(value);
progress.setIndeterminate(false);
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