ArrayVisualizer | Sorting Visualizer with 6 different views | Data Visualization library

You're using your Timer incorrectly. Understand that a Swing Timer is to be used in place of the while loop, so the timer's actionPerformed method is called repeatedly, just like in a loop, but with a Swing-tolerable delay. Your own Timer instead is recreated and restarted repeatedly and calls itself only once and stops, completely blocking it from doing what it's supposed to be doing.

Solution:

• Get rid of both the for loop and the while loop
• Use the Timer to do the for loop and while loop's inner actions
• Do not stop the Timer immediately but from within an if condition -- when the looping should end.
• Use if blocks to simulate outer for loop and inner while loop functionality

For example your sort method could look as simple as this: