Answers for "java randon array"

3

how to randomize an array java

void shuffle(int [] arr) {
        for (int i = 0; i < arr.length; i++) {
            int index = (int) (Math.random() * arr.length);
            int temp = arr[i];
            arr[i] = arr[index];
            arr[index] = temp;
        }
    }
Posted by: Guest on September-20-2020
0

get raondom from array java

public static int getRandom(int[] array) {
    int rnd = new Random().nextInt(array.length);
    return array[rnd];
}
Posted by: Guest on June-04-2020

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