java get random index from array code example
Example 1: 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]);
Example 2: java get random index from array
private int getRandomIndex(int arrayLength) {
Random r = new Random();
return r.nextInt(arrayLength);
}