Dutch National Flag case study Solution

Complete the Dutch National Flag case study. You will need to develop the following classes:
a. A main class that extends JFrame to contain the flag and a control button (Sort).
b. A class to represent the flag; an extension of JPanel is suggested. This class will contain the array of threads and the sort method.
c. A class to represent a thread. Each thread should have a color and a method to draw the thread.
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