how to get random element from list in java

1String[] available_cards = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Queen", "King", "Jack", "Ace"};  
2java.util.Random random = new java.util.Random();
3int random_computer_card = random.nextInt(available_cards.length);
4System.out.println(available_cards[random_computer_card]);

1// Import all the libraries
2import javax.swing.*;
3import java.util.ArrayList;
4import java.util.List;
5import java.util.Random;
6
7// Declare the Class
8public class Hello
9{  
10    // Declare the Main Function
11    public static void main(String[] args)
12    {
13        // Declare a List (Be sure to include java.util.ArrayList; and java.util.List;)
14        List<String> l = new ArrayList<>();
15        l.add("Quote of the Day \r\nIf you find it in your heart to care for somebody else, you will have succeeded.  \r\nReopen the program for another quote.");
16        l.add("Love Quote of the Day \r\nIf there's delight in love, 'Tis when I see that heart, which others bleed for, bleed for me.  \r\nReopen the program for another quote.");
17        l.add("Art Quote of the Day \r\nArt is the stored honey of the human soul, gathered on wings of misery and travail.  \r\nReopen the program for another quote.");
18        l.add("Nature Quote of the Day \r\nThe earth has received the embrace of the sun and we shall see the results of that love.  \r\nReopen the program for another quote.");
19        l.add("Funny Quote Of the Day \r\nThe first condition of understanding a foreign country is to smell it.  \r\nReopen the program for another quote.");
20        l.add("Quote of the Day \r\nAnger cannot be dishonest.  \r\nReopen the program for another quote.");
21        l.add("Love Quote of the Day \r\nLove is when he gives you a piece of your soul, that you never knew was missing.  \r\nReopen the program for another quote.");
22        l.add("Art Quote of the Day \r\nIt is only an auctioneer who can equally and impartially admire all schools of art.  \r\nReopen the program for another quote.");
23        l.add("Nature Quote of the Day \r\nNature reserves the right to inflict upon her children the most terrifying jests.  \r\nReopen the program for another quote.");
24        l.add("Funny Quote Of the Day \r\nMarriage is not just spiritual communion, it is also remembering to take out the trash.  \r\nReopen the program for another quote.");
25        
26      
27        // Object name should be same as class
28        Hello obj = new Hello();
29        // Display the input dialog box from JOptionPane
30        String inputValue = JOptionPane.showInputDialog("Please enter your name: ");
31        // Declare Random object (Be sure to include java.util.Random;)
32        Random rand = new Random();
33        // Get Random Index from the List
34        int randomIndex = rand.nextInt(l.size());
35        // Get the element on the random index in the list
36        String randomElement = l.get(randomIndex);
37        //Display the output dialog box from JOptionPane to display the random element
38        JOptionPane.showMessageDialog(null, randomElement + "\r\n\r\nHave a nice day " + inputValue + "!");
39    }
40    
41}
42

1List<Foo> list = createItSomehow();
2Collections.shuffle(list);
3Foo foo = list.get(0);