Check out example codes for "random.choice in java". It will help you in understanding the concepts better.

Code Example 1

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

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