Answers for "how to random one number in arraylist java"

4

random.choice in java

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]);
Posted by: Guest on September-14-2020
0

get random String from array list

Random r = new Random();

    int randomitem = r.nextInt(myList.size());
    String randomElement = myList.get(randomitem);
Posted by: Guest on November-22-2020

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