The card files are named 1.png, 2.png,..., 54.png . All three cards are distinct

Question

The card files are named 1.png, 2.png,..., 54.png . All three cards are distinct and selected randomly.
This is what I have so far and it displays the cards above but I'm having trouble on displaying the cards randomly each time that the program is run. Please help me. import javax.swing.*;
import java.awt.*;

public class Exercise12_09 extends JFrame{
    public static void main (String[] args){
    Exercise12_09 frame = new Exercise12_09();
    frame.setTitle("Cards");
    frame.setSize(300,200);
    frame.setLocationRelativeTo(null);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

    private ImageIcon Card1 = new ImageIcon("C:/Users/Shantall/Documents/1.png");
    private ImageIcon Card2 = new ImageIcon("C:/Users/Shantall/Documents/38.png");
    private ImageIcon Card3 = new ImageIcon("C:/Users/Shantall/Documents/16.png");

public Exercise12_09(){
        setLayout(new GridLayout(1,4,5,5));
        add(new JLabel(Card1));
        add(new JLabel(Card2));
        add(new JLabel(Card3));
    }

} import javax.swing.*;
import java.awt.*;

public class Exercise12_09 extends JFrame{
    public static void main (String[] args){
    Exercise12_09 frame = new Exercise12_09();
    frame.setTitle("Cards");
    frame.setSize(300,200);
    frame.setLocationRelativeTo(null);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

    private ImageIcon Card1 = new ImageIcon("C:/Users/Shantall/Documents/1.png");
    private ImageIcon Card2 = new ImageIcon("C:/Users/Shantall/Documents/38.png");
    private ImageIcon Card3 = new ImageIcon("C:/Users/Shantall/Documents/16.png");

public Exercise12_09(){
        setLayout(new GridLayout(1,4,5,5));
        add(new JLabel(Card1));
        add(new JLabel(Card2));
        add(new JLabel(Card3));
    }

}

Explanation / Answer

Dear.. Am giving you the sample snippet. Random rnd = new Random(); for (int i = 0; i < 3; i++) { // Set swapWithPos a random position such that 0

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